We are currently using Aspose.Ocr 22.1 & Aspose.Pdf 22.1.
If possible try with this version. We will try with 22.3
Also, please confirm the process which we are following is correct
STEP#1: Checking the pdf is having …...NET 22.3 and did not notice the exception...please again test the case using 22.3 version and let us know if exception...