GroupDocs.Watermark for .NET is a powerful API for managing watermarks in the various Documents formats such as PDF, DOCX/DOC/RTF, PPTX/PPT, XLSX/XLS, JPG, PNG, TIFF, GIF and many others....Acquisition Ask AI GroupDocs Documentation / GroupDocs.Watermark Product...by third-party tools) in a document. The API provides the following...