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Trusted Notary service is an alternative way of verifying signatures, i.e. through an online notary verification service. By default PDF Sign&Seal uses the free demo notary services provided by the GlobalTrustFinder Ascertia website ( ).  PDF Sign&Seal can be easily configured to work in conjunction with any other trusted notary service provider. Contact Ascertia or your local software provider for further details on how to achieve this.


The default values for the reason, location and contact info fields for invisible signing can be configured within the PDF Sign&Seal Preferences file. For more information see “PDF Sign&Seal Admin Guide”. 

Does PDF Sign&Seal perform IdenTrustTM checks when signing and verifying the PDF documents?


PDF Sign&Seal can be integrated with business applications using a server API, a desktop API or a command line approach. The command line approach can be used by any Windows application whereas the APIs offer .Net assembly Integration only. The full signing, sealing, time stamping and verification functionality of PDF Sign&Seal can be exploited through these integration options. For more information email

Can PDF Sign&Seal process multiple files in one operation?


Time stamp authorities are configured within PDF Sign&Seal Preferences > Signature > Long-Term Signature Generation tab.

What are the differences between PDF Sign&Seal trial and full versions?

During the trial period, PDF Sign&Seal adds the word “TRIAL” in the top right corner of each signature appearance done in the application. In case of the invisible signature the word “***TRIAL***” is added in the reason field of the digital signature. When the PDF Sign&Seal is running as a registered product, no “TRIAL” word is added anywhere in the digital signature.