Office2PDF 2007 uses the free PDF and XPS Plugin from Microsoft for batch conversion of Office files (Word, Excel, PowerPoint, Publisher, Visio) to PDF and XPS.
This tool can be used for single file conversion, batch conversion of directories and directory watching for files. Other systems (example document management systems) can use this tool to interact with Microsoft Office for PDF creation of huge amount of documents.
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.