You would need to provide at least four images for each model (for both sides: front and back).

Training Data Set Requirements
The images  should follow the sample requirements: they must include all four corners and additional space around the document, be human-readable, have adequate contrast, contain no glare, and be genuine.

Check our site for the full image requirements here:
https://developers.innovatrics.com/digital-onboarding/docs/functionalities/document/ocr/#image-requirements