annotationHideButtons

Hiding a button disables only the ability to create an annotation through its user interface.

The following table lists the values you can specify for this parameter. To hide multiple buttons, use a comma-delimited string for the values. The values are not case-sensitive.

Button	Value	Button name
	angle	Draw angle
	arrow	Draw arrow
	circle	Draw circle
	freehand	Draw freehand line
	highlight	Draw highlight
	highlightPoly	Draw polygon highlight
	line	Draw line
	note	Draw sticky note
	openPoly	Draw open polygon
	oval	Draw oval
	poly	Draw polygon
	rectangle	Draw rectangle
	redact	Draw redaction
	redactPoly	Draw polygon redaction
	restore	Restore annotations
	ruler	Draw ruler
	save	Save annotation changes
	select	Select mode
	show	Show annotations
	solidText	Draw solid text
	square	Draw square
	stamp	Draw stamp
	text	Draw transparent text
	Hyperlink	Hyperlink annotation

If you disable all buttons, the annotations toolbar is disabled. User cannot create annotations. Instead, users can only edit existing annotations.