Assuming the camera supports multiple stream channels,
does NI software support acquiring data from multiple stream channels?
Sorry, no, it does not currently support this. Cameras with multiple streams only are supported if they appear as two distinct cameras.
I am also working with a multichannel GigE camera, and your answer was from 2013. I am wondering if LabVIEW supports multichannel camera better now? The camera that I use does not appear as two distinct cameras. Instead, it needs to configure a listener with port and local IP address to receive stream.