Which tool to overlay PDF pages with dynamic stamp?

Question

What software should be there in my computer to overlay PDF pages with dynamic stamp?

You can use A-PDF Watermark (free download here) to overlay PDF pages with dynamic stamp with only three steps:

Add PDF Documents: choose "File->Add PDF Document" or "File->Add Directory", you can even drag the files to the list directly
Select dynamic Watermarks from existing watermarks, or create new ones by clicking "Watermark->Create"
Append Watermark to PDFs: click "Watermark" to add defined watermarks to PDF files

This web tutorial will give you an overview of the procedure how easy to use this product!

Or view video tutorial here:

A-PDF Number - Add/create page number in PDF pages
A-PDF Label - Batch add formatted dynamic Label fields (mailing label) such as Name, Address, City to custom PDF templates (such as in form letters, on envelopes, business card, name badge and so on) for printing, The Label fields lists information come from a spreadsheet in MS Excel file
A-PDF Number Pro - Batch add Page Number to Acrobat PDF documents, including prefix and suffix.

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