This programs seals PDFs with digital signatures and encryption. It supports standard Windows certifcates management for signing PDFs, and you can create self-signed certificates.
Features: I. Digitally Signing PDF using your certificates managed by Windows II. Applying and Modifying standard PDF security settingsIII. Send PDF by MAPI (default e-mail Client)

The license of this software is Free Trial Software, the price is $29, you can free download and get a free trial before you buy. If you want to get a full or nolimited version of eDocProcessor PDFSealer, you can buy this pdf software software.