YES.
You just select the MIDI track in the BiabVst and hit the Vst Play button.
You can create Sends to send any midi channel to whatever track you like with whatever Virtual Instrument is on that track.

Watch Video
https://www.dropbox.com/s/xtweph5s4t2yfxc/BiabVst-Send-MIDI-to-VI.mp4?dl=0

Download Video
https://www.dropbox.com/s/xtweph5s4t2yfxc/BiabVst-Send-MIDI-to-VI.mp4?dl=1

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