Question about Samsung The Freestyle

Samsung Electronics GmbH
Hello,
Yes, a connection to Mac OS is available via AirPlay. You can set up the connection via "Menu > Connected devices > Workspace > Mac > Screen mirroring".
Best regards from Schwalbach,
Your Samsung Service Team

Yes, via the HDMI connection. But it is also needed for the power supply. Otherwise, a Mac that supports Miracast (wireless streaming) would have to be used.