Whats relation of IntelligentOCR with document understanding?

whats relation of IntelligentOCR with document understanding ?
I don’t understand the relationship between the two
.

and why most people use Omnipage’s OCR engine for data extraction ?

Hi @Alnsr
Intelligent OCR activities package contains the activities necessary for the document understanding framework.
Omnipage OCR is a good OCR but we can also use UiPath Document OCR or screen OCR present in UiPath OCR activities package.
Check out the video below for better understanding: