GroupDocs.Watermark for Python via .NET adds, searches, and removes text and image watermarks across PDF, Word, Excel, PowerPoint, Visio, email, and image Formats — with Format-specific placement, tiling, locking, and content-tree access — on-premise, with no Microsoft Office required....PowerPoint, Visio, email, and image formats. It runs entirely on-premise...text, image similarity, or formatting, and report or modify them...