Spy-CD is a Full Text Search Java applet for HTML and PDF CD-ROMs. The Spy-CD-Wizard Windows set up tool builds a search database from an existing web site and PDF files and then lets you edit it. Spy-CD-Wizard will build a search web page and show it in your default browser.
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.