PDF Valet is an easy-to-use free plug-in that enables you to unpack digital files previously inserted by PDF Librarian or PDF Bellhop in PDF documents. You can download PDF Valet from the Lantana web site (http://www.artspdf.com).
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.