GroupDocs.Annotation for Java is a powerful cross-platform library that allows you to implement the ability to annotate text or images in a document within your applications.
GroupDocs.Annotation supports over 35 file types. These include PDF documents, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Visio, as well as HTML pages, email messages, and even image files.
GroupDocs.Annotation allows you to add, edit, and delete comments, explanations with highlighted notes, watermarks, polylines, and more.