Symptoms

When you try to scan in FineReader PDF for Mac, you might get a message that you do not have permission to open the application, followed by the name of your scanner driver:

You do not have permission to open the application <the name of your scanner driver>.app. 

Cause

The issue is connected with the macOS system/software updates. Apple reports that it is expected to be resolved in a future software update.

Resolution

Please consult the corresponding article from Apple Knowledge Base to resolve the issue:
https://support.apple.com/en-us/HT212756.