Header pretty much says it... I only get the notes of the first channel, regardless of which pattern is shown in the plugin.

Version: Live 9.0.4 64bit, Micro Tonic 3.1

sorry disregard my post - I had your question wrong...

1) Is "Pitched MIDI Mode" on? (The little button in the top section that has a small keyboard on it.) If so, MIDI export will use different channels for the different drum channels (because this is how Microtonic is expecting to receive the note data). In Live, which doesn't support multiple midi channels in a midi clip, I guess things would go bad.

2) Turn on "Edit MIDI CC / Keys" and check that each drum channel has a note mapped. Notes that aren't mapped will not be exported.