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Electronic signatures
Last updated 1/14/2015
2 To return to the original document, choose the document name from the Window menu.
1 In the Signatures panel, select the signature.
2 Choose Compare Signed Version To Current Version from the option menu .
3 When you’re done, close the temporary document.
More Help topics
Validate a timestamp certificate
Configure a timestamp server
Set signing preferences
More Help topics
Digital IDs
Setting up digital signatures
Signing PDFs
Manage trusted identities
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Also what in that case to do?