Adobe Acrobat and Creative Cloud are automatically installed on managed UFV Macintosh devices. Users with a UFV Managed Mac have the ability to sign PDFs in Adobe using their certified UFV signature.
Signature Verification
Due to a limitation of Mac/Adobe compatibility, UFV's certificate is not automatically added to Adobe's list of trusted certificates. This means the first time you sign/receive a PDF signed using UFV's certificate you will see a warning banner at the top of the window as the signature is not validated.
To add UFV's certificate to the list of trusted certificates, solving the verification warning for all UFV certified signatures, follow the below steps:
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Open a file that has the signature warning
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Click on the Signature Panel button
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A Signatures menu will appear on the right side, click on the arrow beside the yellow warning icon
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Click on the Signature Details section
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Click on Certificate Details...
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Click on the root of the certificate (UFV-AD-CA)
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Click on the Trust tab
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Click on the Add to Trusted Certificates... button
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A message from Adobe will pop-up on your screen, click OK
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Ensure the Use this certificate as a trusted root option is checked, then click OK
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Close Adobe then re-open the signed PDF. The banner at the top should have green check mark and confirm the the signature is valid
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All signatures with the UFV-AD-CA certificate should be automatically validated now