The PDF Converter is a tool used to convert from existing documents in virtually any Windows application. The PDF Creator is designed to create new documents, forms and reports or edit documents converted to PDF by the PDF Converter.
Features for Standard Version
Convert any file running under Windows to PDF through a printer driver
Enhance applications with features to view edit and print PDF documents
International character support and True Type font embedding for universal document portability.
Group (concatenate) or append (merge) existing files into a single PDF file
The Professional Edition of the PDF Converter, includes two features not available in the Standard versions:
PDF Encryption: to protect PDF documents from being viewed, printed, modified Web optimization, or Linearization, to enable page by page downloading of PDF files from web servers.
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.