i have already created a new .json blank file and indicated accordingly in the path plus i have used a single pdf and multiple pdfs then its not taking them both. Note a pdf here means pdf with a single page
In order to use UiPath Document OCR you need the API Key. Normally this field is populate automatically. Try to change to another OCR engine and go back to UiPath Document OCR.
You can also provide the API Key manually
in Orchestrator go to Admin Page > Licenses > Consumables > AI Units
Copy the API Key and pass to API Key field in the Wizard and try again