You can control SumatraPDF with commands.
You can:
File menu

Command IDs Keyboard shortcuts Command Palette
CmdClose Ctrl+WCtrl+F4 Close Document
CmdCloseCurrentDocument q Close Current Document
CmdCommandPalette Ctrl+K Command Palette
CmdCommandPaletteNoFiles Shift+Ctrl+K Command Palette No Files
CmdDuplicateInNewWindow Shift+Ctrl+N Open Current Document In New Window
CmdExit Ctrl+Q Exit Application
CmdMoveFrameFocus F6 Move Frame Focus
CmdNewWindow Ctrl+N Open New SumatraPDF Window
CmdOpenFile Ctrl+O Open File...
CmdOpenFolder   Open Folder...
CmdOpenNextFileInFolder Shift+Ctrl+Right Open Next File In Folder
CmdOpenPrevFileInFolder Shift+Ctrl+Left Open Previous File In Folder
CmdOpenSelectedDocument   Open Selected Document
CmdPinSelectedDocument   Pin Selected Document
CmdPrint Ctrl+P Print Document...
CmdProperties Ctrl+D Show Document Properties...
CmdReloadDocument r Reload Document
CmdRenameFile F2 Rename File...
CmdReopenLastClosedFile Shift+Ctrl+T Reopen Last Closed
CmdSaveAs Ctrl+S Save File As...
CmdShowCursorPosition m Show Cursor Position
CmdShowInFolder   Show File In Folder...
CmdToggleBookmarks Shift+F12F12 Toggle Bookmarks
CmdToggleMenuBar F9 Toggle Menu Bar
CmdTogglePageInfo I Toggle Page Info
CmdToggleScrollbars   Toggle Scrollbars
CmdToggleToolbar F8 Toggle Toolbar
CmdCollapseAll   Collapse All
CmdExpandAll   Expand All
CmdOpenEmbeddedPDF   Open Embedded PDF
CmdSaveEmbeddedFile   Save Embedded File...
CmdCreateShortcutToFile   Create .lnk Shortcut
CmdSelectAll Ctrl+A Select All
CmdCopyComment   Copy Comment
CmdCopyImage   Copy Image
CmdCopyLinkTarget   Copy Link Target
CmdCopySelection Ctrl+CCtrl+Insert Copy Selection
CmdFindFirst Ctrl+F Find
CmdFindMatch   Find: Match Case
CmdFindNext F3 Find Next
CmdFindNextSel Ctrl+F3 Find Next Selection
CmdFindPrev Shift+F3 Find Previous
CmdFindPrevSel Shift+Ctrl+F3 Find Previous Selection

Viewing

Command IDs Keyboard shortcuts Command Palette
CmdBookView Ctrl+8 Book View
CmdFacingView Ctrl+7 Facing View
CmdInvertColors i Invert Colors
CmdRotateLeft [Shift+Ctrl+Subtract Rotate Left
CmdRotateRight ]Shift+Ctrl+Add Rotate Right
CmdSinglePageView Ctrl+6 Single Page View
CmdToggleContinuousView c Toggle Continuous View
CmdToggleFullscreen fShift+Ctrl+LF11 Toggle Fullscreen
CmdToggleMangaMode   Toggle Manga Mode

Navigation

Command IDs Keyboard shortcuts Command Palette
CmdScrollUp kUp Scroll Up
CmdScrollDown jDown Scroll Down
CmdScrollLeft hLeft Scroll Left
CmdScrollRight lRight Scroll Right
CmdScrollUpHalfPage Shift+Up Scroll Up By Half Page
CmdScrollDownHalfPage Shift+Down Scroll Down By Half Page
CmdScrollUpPage Ctrl+UpPageUpShift+ReturnShift+Space Scroll Up By Page
CmdScrollDownPage Ctrl+DownPageDownReturnSpace Scroll Down By Page
CmdScrollLeftPage Shift+Left Scroll Left By Page
CmdScrollRightPage Shift+Right Scroll Right By Page
CmdGoToFirstPage Ctrl+HomeHome First Page
CmdGoToLastPage Ctrl+EndEnd Last Page
CmdGoToPrevPage pCtrl+PageUp Previous Page
CmdGoToNextPage nCtrl+PageDown Next Page
CmdGoToPage gCtrl+G Go to Page...
CmdNavigateBack Alt+LeftBackspace Navigate Back
CmdNavigateForward Alt+RightShift+Backspace Navigate Forward

Favorite

Command IDs Keyboard shortcuts Command Palette
CmdFavoriteAdd Ctrl+B Add Favorite
CmdFavoriteDel   Delete Favorite
CmdFavoriteToggle   Toggle Favorites

Presentation

Command IDs Keyboard shortcuts Command Palette
CmdTogglePresentationMode Ctrl+LShift+F11F5 View: Presentation Mode
CmdPresentationBlackBackground . Presentation Black Background
CmdPresentationWhiteBackground w Presentation White Background

Annotation

Command IDs Keyboard shortcuts Command Palette
CmdCreateAnnotCaret   Create Caret Annotation
CmdCreateAnnotCircle   Create Circle Annotation
CmdCreateAnnotFileAttachment   Create File Attachment Annotation
CmdCreateAnnotFreeText   Create Free Text Annotation
CmdCreateAnnotHighlight aA Create Highlight Annotation
CmdCreateAnnotInk   Create Ink Annotation
CmdCreateAnnotLine   Create Line Annotation
CmdCreateAnnotLink   Create Link Annotation
CmdCreateAnnotPolygon   Create Polygon Annotation
CmdCreateAnnotPolyLine   Create Poly Line Annotation
CmdCreateAnnotPopup   Create Popup Annotation
CmdCreateAnnotRedact   Create Redact Annotation
CmdCreateAnnotSquare   Create Square Annotation
CmdCreateAnnotSquiggly   Create Squiggly Annotation
CmdCreateAnnotStamp   Create Stamp Annotation
CmdCreateAnnotStrikeOut   Create Strike Out Annotation
CmdCreateAnnotText   Create Text Annotation
CmdCreateAnnotUnderline uU Create Underline Annotation
CmdDeleteAnnotation Delete Delete Annotation
CmdEditAnnotations   Edit Annotations
CmdSaveAnnotations Shift+Ctrl+S Save Annotations to existing PDF
CmdSelectAnnotation   Select Annotation in Editor

Zoom menu

Command IDs Keyboard shortcuts Command Palette
CmdToggleZoom z Toggle Zoom
CmdZoomActualSize Ctrl+1 Zoom: Actual Size
CmdZoomCustom Ctrl+Y Zoom: Custom...
CmdZoomFitContent Ctrl+3 Zoom: Fit Content
CmdZoomFitPage Ctrl+0 Zoom: Fit Page
CmdZoomFitPageAndSinglePage   Zoom: Fit Page and Single Page
CmdZoomFitWidth Ctrl+2 Zoom: Fit Width
CmdZoomFitWidthAndContinuous   Zoom: Fit Width And Continuous
CmdZoomIn Ctrl+Add Zoom In
CmdZoomOut Ctrl+Subtract Zoom Out
CmdZoom100   Zoom: 100%
CmdZoom12_5   Zoom: 12.5%
CmdZoom125   Zoom: 125%
CmdZoom150   Zoom: 150%
CmdZoom1600   Zoom: 1600%
CmdZoom200   Zoom: 200%
CmdZoom25   Zoom: 25%
CmdZoom3200   Zoom: 3200%
CmdZoom400   Zoom: 400%
CmdZoom50   Zoom: 50%
CmdZoom6400   Zoom: 6400%
CmdZoom8_33   Zoom: 8.33%
CmdZoom800   Zoom: 800%

External app

Command IDs Keyboard shortcuts Command Palette
CmdOpenWithAcrobat   Open With Adobe Acrobat
CmdOpenWithFoxIt   Open With FoxIt
CmdOpenWithFoxItPhantom   Open With FoxIt Phantom
CmdOpenWithHtmlHelp   Open With HTML Help
CmdOpenWithPdfDjvuBookmarker   Open With Pdf&Djvu Bookmarker
CmdOpenWithPdfXchange   Open With PdfXchange
CmdOpenWithXpsViewer   Open With Xps Viewer
CmdTranslateSelectionWithDeepL   Translate Selection With DeepL
CmdTranslateSelectionWithGoogle   Translate Selection with Google
CmdSearchSelectionWithBing   Search Selection with Bing
CmdSearchSelectionWithGoogle   Search Selection with Google
CmdSendByEmail   Send Document By Email...

System

Command IDs Keyboard shortcuts Command Palette
CmdAdvancedOptions   Advanced Options...
CmdChangeLanguage   Change Language...
CmdCheckUpdate   Check For Updates
CmdClearHistory   Clear History
CmdContributeTranslation   Contribute Translation
CmdForgetSelectedDocument   Remove Selected Document From History
CmdOptions   Options...
CmdShowLog   Show Log

Help

Command IDs Keyboard shortcuts Command Palette
CmdHelpAbout   Help: About SumatraPDF
CmdHelpOpenManualInBrowser   Help: Manual
CmdHelpVisitWebsite   Help: SumatraPDF Website

Debug

Command IDs Keyboard shortcuts Command Palette
CmdDebugCrashMe   Debug: Crash Me
CmdDebugDownloadSymbols   Debug: Download Symbols
CmdDebugShowLinks   Debug: Show Links
CmdDebugShowNotif   Debug: Show Notification
CmdDebugStartStressTest   Debug: Start Stress Test
CmdDebugTestApp   Debug: Test App
CmdNone   Do nothing

Deprecated

Command IDs Keyboard shortcuts Command Palette
CmdOpenWithFirst   don't use
CmdOpenWithLast   don't use

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