Not sure exactly what you mean, but you can load the EZKeysVST into a midi track and > Select Custom Midi Style for this track > Choose from Presets.
You can drag midi from a Biab track either midi or realchart (track name has underscore, Synth Organ Piano ) to Drop MID then into EZKeys Browser Library/User then in EZKeys select the midi in the chord track and select Use Browser MIDI to re-fit it to the Chords in EZKeys.
To export x bars highlight those bars then do a Drag Export.

EZKeys Library should be here:
C:\Program Files (x86)\Common Files\Toontrack\EZkeys\Midi
C:\Program Files\Common Files\Toontrack\EZkeys\Midi

/Library/Application Support/EZKeys/MIDI
/Library/Application Support/Toontrack/EZKeys/MIDI


Also look at RapidComposer standalone or VST in this Tip n Tricks forum.
Use with MiniHost http://www.pgmusic.com/forums/ubbthreads.php?ubb=showflat&Number=394808#Post394808