PDF Bookmarks is a powerful utility program for creating/editing/deleting bookmarks in PDF files with ease. Features include: edit bookmark names, edit bookmark colors, edit bookmark style, edit bookmark action, create bookmarks from an outline, create bookmarks from text and Excel files, remove bookmarks, copy bookmarks from one PDF to other PDFs, insert bookmarks, write bookmarks to a text file, batch processing, create and execute scripts. Requires Adobe Acrobat 5 or greater (Standard or Professional).
OK, so you want to stamp your document. Maybe you need to give reviewers some advice about the document's status or sensitivity. This tip from author Ted Padova demonstrates how to add stamps with the Stamp Tool along with related comments.