This article explains how to sign document with Text signature by GroupDocs.Signature API. Let's try to add digital signature to a PDF programmatically....Classification Product Solution Purchase...
This article explains how to sign document with XML advanced electronic signatures (XAdES) using GroupDocs.Signature API....Classification Product Solution Purchase...
This article explains how to provide advanced search for metadata electronic signatures with GroupDocs.Signature API....Classification Product Solution Purchase...
This documentation section explains features of the EditableDocument class when editing a document with GroupDocs.Editor for Python via .NET API....Classification Product Solution Purchase...
This page describes how to filter annotation by type on saving file using GroupDocs.Annotation for Java API....Classification Product Solution Purchase...