The Mixup Plugin will allow you to receive and send comments to your collaborators. However, in order to allow your DAW's to receive transport control requests from the Mixup Plugin, you will need to use your DAW's ReWire protocols.
This means that you will be able to click on your Mixup Plugin's timeline or comment timestamps and have your DAW's play head follow suit. Nice :-)
Most of the time, you only have to insert the Mixup Rewire Device on any track in order to activate your DAW's rewire capabilities. Please visit the FAQ section dedicated to your DAW in order to set it up:
Pro Tools: Control Your DAW w/ Mixup Rewire
Studio One: Control Your DAW w/ Mixup Rewire
Cubase: Transport Control Your DAW w/ Mixup Rewire