This article explains how to save edited document in HTML form to folder at local disk using GroupDocs.Editor for Java features....Assembly Product Solution GroupDocs...
This article explains how to provide advanced verification of QR-code electronic signatures with GroupDocs.Signature API....Assembly Product Solution GroupDocs...
This article explains how to use stretch mode values to adjust signature area positions on document page with GroupDocs.Signature API....Assembly Product Solution GroupDocs...
The page describes document annotations of different types and how to add annotations to a document using GroupDocs.Annotation API....Assembly Product Solution GroupDocs...