Using TX Text Control, there are two ways of signing PDF documents: The whole document and individual signature fields. This article shows how to implement both ways in a .NET 6 command line application.
How to Sign PDF with Digital Signature Certificate (in Adobe
Digitally sign PDF files from C# / VB.NET applications
Sign PDFs in Adobe Acrobat Reader.
How to Digitally Sign a PDF in 3 Easy Ways
Digitally Signing Adobe PDF Documents
How to lock a PDF form after signing it
Create a Digital Signature
Digital Certificates - Adobe UT Health San Antonio Information Security
Signing PDFs in Adobe Acrobat
Sign PDFs in Adobe Acrobat Reader.
How to Add a Digital Signature into PDF Document
Is it possible to enable a digital signature in a document (PDF or Office document) without using Adobe Reader DC software? Is that an exclusive feature of Adobe's software? - Quora
Sign PDFs in Adobe Acrobat Reader.
