Using Pianoteq 5 64bit, does it recognize midi Volume??

Hi folks,

I've just started using Pianoteq 5 on Win 7, I've had some issues so far, one thing that is driving me crazy is getting it to work in two of my Host programs (Band in a Box 2015 and Sibelius 7.5)
Does anyone know if Pianoteq 5 responds to Midi volume? I've tried moving the mixer channel fader up and down, but the volume isn't changing at all.
Thanks so much,
Edward