Is there a way to edit recorded dynamic MIDI volume data?

I'm using an expression pedal thru a NI Kontrol keyboard to record MIDI volume as I play a MIDI instrument.

Upon playback, I can hear that the Volume data is recorded, but in the edit window for the track, I don't see the rise and fall of the volume, only flat lines for each note, and if I click in the window to edit volume, only get one line that goes across the whole track, so can't edit any recorded info. Is there a way to edit recorded dynamic MIDI volume data?

[Re-Titled by Moderator]