Users interested in Digitalsign reader generally download:
Enable advanced management of digital documents with custom and standard signatures. Work with the toolset for processing PKCS#7 or O7M format according to DPCM 13/01/2004 and Delib specifications. Export, spring, and visualize any document materials.
Additional suggestions for Digitalsign reader by our robot:
Use C# to digitally sign x509certificate2 PDF with IronPDF.
in Adobe Reader very clearly