CutePDF Form Filler can be used to save interactive Portable Document Format (PDF) electronic forms to your computer to fill in and print at your convenience, send the completed forms via e-mail. CutePDF Form Filler also enables you to import and export form data in XML/FDF/XFDF format, flatten form, and encrypt (40-bit & 128-bit) your PDF files. Fully supports encrypted PDFs. It is a desktop application and works with Acrobat Reader 5.0 or higher.
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.