PDF Mapper is a tool intended to export a database's contents to a well-formatted PDF file.
The chosen method consists in the dinamic generation of multiple XFDF files, linked to a single PDF template. Double clicking one of these XFDF files causes Adobe Reader to open the template and prefill it with the information contained in the XFDF file.
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.