Enable AllowFormEditing to allow the user to edit forms.
User will be able to edit text fields, click checkboxes and perform clipboard operations.
Note: ◼FormModified will be true if the user has edited a form ◼When AllowFormEditing is enabled the tab key will navigate between form fields. It will not navigate form controls ◼For form editing you cannot have a selection interaction (such as miSelect) specified for MouseInteractGeneral ◼All editable form fields will be highlighted with the color and alpha specified in PdfViewerDefaults ◼Setting AllowFormEditing will disable AllowObjectEditing and AllowAnnotationEditing