It depends on the driver.
I used to have a Behringer UMC404HD and that showed up as 2 devices, it had 2 channels combined into one device (channel 1+2 and channel 3+4).
My TASCAM interface for example shows up as a single 16 channel device.
I don't know about your other two products. You could contact the manufacturer.
One side note: Behringer is doing a ...