Hi Avi,
Here is the link to this feature request on our poratal:
http://feedback.telerik.com/Project/154/Feedback/Details/134786-add-radpdfviewer-add-support-for-digital-signature.
In regards to the WPF suite question, I would ask you to address your question in the
WPF forum in order to get adequate response.
I hope that you find this information useful.
Regards,
Stefan
Telerik
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