Add a stamp pattern to a .doc or .pdf file use GroupDocs.Signature .Net API

Hello,

How to use GroupDocs.Signature .Net API to add a stamp pattern to a .doc or .pdf file .Any suggestions would be greatly appreciated.

Thanks !

@YvanZhang,

Have a look at this article sign document with stamp signature.

Can you please further elaborate your requirements with some use-cases? We’ll then assist you accordingly.