This article is for users who are receiving an error that one or more signatures are having a problem.
Sometimes this can apply to multiple signed documents and signatures may intermittently not appear. The error may or may not appear in Adobe Acrobat Reader or Adobe Acrobat Pro; but if they appear in PhantomPDF but not Adobe, it is a good indicator of this being the issue.
The following articles should resolve this issue:
General
Content
Integrations
App links