GroupDocs.Annotation for Java is a lightweight document annotation Java library that allows the placing of markup and comments in Microsoft Office documents, Pdfs, Images and over 50 other file types. It provides end users with a rich set of markup tools and can be used on any web-enabled device without the need to install third-party software. Thanks to its cross-platform compatibility and convenient UI, GroupDocs.Annotation is an ideal solution if you need to add document annotation functionality to your Java application....Microsoft Office documents, PDFs, images and over 50 other file types...Java uses the TruType fonts to render annotations and to export documents...