Hey KevinTucker,
Sorry for the delay in response to your query.
As shared, while sharing PDFs using attach to email option of Adobe Acrobat DC Outlook frequently hangs, does it happen with every file that is being emailed or file size matters here?
Check the following troubleshooting steps-
1- Check if you haven't got the Acrobat's latest patch installed. Open Acrobat>Help>Check for update
2- Navigate to Acrobat>Edit>Preferences>Security (Enhanced)> Disable "Protected View" and "Enhanced Security">Reboot Acrobat.
Note: Changing the above security settings could pose security risks. We suggest you to turn it back On once you are done with testing.
3- Make sure that you have got all the MS Office updates installed too.
Let us know the result.
Thanks,
Akanchha