Google turned to Foxit's PDF technology to supply the open source PDF rendering engine for the PDFium project. Foxit SDK now makes it easier to use for the PDF developer community by providing custom builds of PDFium, special interfaces to integrate PDFium with Foxit's other more powerful PDF SDKs, priority support and professional services to ensure that customers can use an open source project in their projects with confidence.
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.