GroupDocs.Total for Java does not require any external software to be installed such as Microsoft Word, Microsoft Excel or Microsoft PowerPoint for document manipulation....Editor 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....Editor Product Solution GroupDocs...
Learn this article and check how to load and convert HTML documents with advanced options using GroupDocs.Conversion for .NET API....Editor Product Solution GroupDocs...
The page describes how to add text field annotation to a document programmatically using GroupDocs.Annotation for .NET....Editor Product Solution GroupDocs...
The page describes document annotations of different types and how to add annotations to a document using GroupDocs.Annotation API....Editor Product Solution GroupDocs...