I'm wondering if there's a way for a digital signature to unlock a document... Specifically, I'm wondering if there's a way for the signing of an NDA to automatically unlock the remainder of a PDF, where the NDA is either visible on the first page of the doc with all subsequent pages locked until signed, or the NDA appears in some kind of dialogue/overlay that appears when the PDF is opened.
Anyone have any idea if this is possible?
No, A digital signature assures recipients that the document came from you. It can't be used to Unlock or protect a document.
Moreover, there's no such way a user can sign an NDA and the pdf will be unlocked for the user.
I would like to inform you that we have these two main PDF security mechanisms in Acrobat :