Limitations

Docs

There's no direct way to detect or count page breaks (PAGE_BREAK) in a document.

References:

• Improved Page Break Management in Google Docs via Google Apps Script [324803203] - Issue Tracker

• Enum ElementType  |  Apps Script  |  Google for Developers

Slides

If text is so long that it cannot fit inside a bounding box, Autofit is deactivated and set to AutofitType.NONE, meaning that the long text does not shrink to fit inside the bounding box.

References:

• AutofitType SHAPE_AUTOFIT not being applied in batchUpdate - updateShapeProperties [189153562] - Issue Tracker

• Requesting setAutofitType() for shapes in Google Apps Script [191389037] - Issue Tracker

• Autofit types other than NONE are not supported [199176586] - Issue Tracker

There's no direct way to update Tables that are linked to Google Sheets.

References:

• Way to update a linked Google Sheets table within a Slide from the API [64027131] - Issue Tracker