PDFViewer OCX is an ActiveX component which enables your application to display and interact with PDF files. Simply place the control on your form, set the Path property, and you are all set. PDFViewer OCX is identical to Adobe Acrobats PDF Reader program.
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.