This article explains how to get collection of changes between compared documents when using GroupDocs.Comparison for .NET....Assembly Product Solution GroupDocs...
This article explains how to obtain coordinates for detected changes at a document pages preview when comparing documents with GroupDocs.Comparison for Node.js via Java...Assembly Product Solution GroupDocs...
This article will help, if you want to add watermark to images inside a document then it can be possible using GroupDocs.Watermark for Java....Assembly Product Solution GroupDocs...