Hi,
Thanks for reporting the issue and we are sorry for the inconvenience caused. Can you provide some more details :
1. Complete version of Acrobat. Go to Acrobat pro DC > About Acrobat Pro DC. Share the complete version number.
2. To ensure that you are on the latest version, try Help > Check for updates.
3. Are you able to access the Save As Dialog. Open a PDF > Go to File > Save As.
As a quick workaround you can login to https://documentcloud.adobe.com/ and go to Fill and Sign and create new Signature/Initial. Once done, come back to Acrobat and launch Fill and Sign app on a PDF and wait for some time. The newly created signature/initial should get synced to your application.
Please provide the above information so that we can debug this issue. Let me know in case of any queries.
Regards,
Sandeep
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