How to Create Adobe Dynamic PDF Stamp in Adobe Acrobat 2026 (QUICK GUIDE) This tutorial shows you how to design and build custom dynamic stamps using JavaScript and Adobe Acrobat Pro DC. You’ll learn how to add automatic date, time, username, and custom text fields that update instantly when applied to a PDF. Perfect for professionals, engineers, and administrators who want to automate document approval, signatures, or workflow stamping inside Adobe Acrobat. #adobeacrobat