I have seen that among the MS Flow connectors there's the one for Webex Teams. It would be great to integrate the Webex Teams environment with MS Teams for this matters:
The Webex SparkBoard provides the whiteboarding functionality It would be great to enable a way to send the resulting draw to a MS Teams channel eventually predefined.
Another amazing feature would be the file sharing, when someone upload a file into a webex room the file is posted into a MS Teams Channel.
I guess It could be closer to magic feature than to a feasible one but let's see If the magic can happen