Question

What is the difference between the Datasets on a Document Definition level and on a Document Section level?

Answer

The purposes of mentioned Datasets are different:

1. On a Document Definition level, the Datasets store data about Vendors, Business Units (in FlexiCapture for Invoices projects) and any other information that can be used in Database Lookup Rules.
   https://help.abbyy.com/en-us/flexicapture/12/distributed_administrator/ir_dbconnection/
   
    
2. On a Document Section level, the Dataset Variants is used for Classification (it stores variants for the same Document Section). More detailed in the article below:
   https://help.abbyy.com/en-us/flexicapture/12/distributed_administrator/fieldautolearning/