Is there any features available for below requirements
Azure Computer Vision OCR api feature
1) Notifying user if it fails to read certain section/lines/pages due to clarity
2) How to notify user if OCR API reads certain PII but Microsoft presidio API fails to redact it
3) Detect human signature and redacting it. : OCR api is detecting signature if its in readable format. But if signature is not at all readable(no english characters are clearly visible) then how to handle it..? how to extract that signature section as image and notify the user