VeryPDF DRM Protector offers two advanced and complementary watermarking technologies — Static Text Watermarks and Dynamic Text Watermarks — designed to help publishers, educators, and enterprises protect sensitive PDF documents from unauthorized distribution, copying, and misuse. These two watermark systems
Why VeryPDF DRM Protector and ProtectedPDF.com Make PDF Cracking Extremely Hard and What You Can Do Instead
Short answer: PDFs protected with VeryPDF DRM Protector or ProtectedPDF.com are designed so that ordinary users cannot edit, save, copy, or print them. They use strong encryption, a secure viewer, and extra layers like screenshot prevention and dynamic (personalized) watermarks.