Apex Watermarking on PDFs - Version 2.3.8.2 Watermarking on PDFs allow to add watermark on PDF file. Application permitted you to choose page for adding watermark, select several position, change font style, change color, resize image, crop image, change Meta properties and set security restriction. Using font style and color feature you can work with several options like font, style, Font size, single color, double and multiple color. Utility permitted to change PDF Meta properties