The watermark Can be removed from the PDF doCuments using third-party tools. However, if you want to remove a watermark that is almost impossible to remove, you Can rasterize pdf doCuments. GroupDoCs.Watermark provides the feature to Convert all the pages of a PDF doCument to raster images with only one line of Code.... Ex: @"C:\Docs\document.pdf" using ( Watermarker...path to your document. Ex: @"C:\Docs\document.pdf" using ( Watermarker...