PDF Stamp Mac

For protecting the copyright of our confidential PDF document, some people would like to add draft & signature to PDF documents. We know that A-PDF provides A-PDF Watermark tool for us to add text or image stamp to PDF document, for Windows. But some people would like to use this tool on their Mac OS computer. If you are a Mac user, you may want to know that: can I add text or image stamp/watermark to my confidential PDF document on Mac?