Question

How can I import only one vendor training batches into a project?

Answer

In order to synchronize Training batches of two projects, you can use SyncTrainingBatches command of FC Admin Tools: 

https://help.abbyy.com/en-us/flexicapture/12/admin_guide/synctrainingbatches/

You can select specific training batches to be transferred using /BatchIDs parameter.

The example of the request:

SyncTrainingBatches /Source="https://FCSRV/1/SingleEntryPoint" /Target=D:\Projects\SingleEntryPoint /SourceU=user /SourceP=password /ForceSync /BatchIDs=1,2,3,4