The OCR issue was due to the OCR server not being unreachable at some point and now the issue is resolved.
I was told by Sean O'Neil that TestComplete sends the data to be recognized to the ocr.api.dev.smartbear.com web service by SmartBear. This web service forwards incoming requests to Google Vision API and transfers the recognition results back to TestComplete."
Documentation link here: https://support.smartbear.com/testcomplete/docs/testing-with/object-identification/ocr/index.html#:~:text=Recognition%20%2D%20Requirements.-,How%20it%20works,-TestComplete%20can%20recognize
