Yes, you can connect two iPhones or iPads in the same room to stream from multiple angles.
Connect devices and set up your angles:
Open Detail on both devices (iOS or iPadOS)
Start a new project on each device
Tap the Multiplayer icon on both devices (👤+) and the devices will connect automatically (no need to share a link)
The devices will connect and you should see both angles in both devices – tap Layout to choose a layout to record and stream with (you can change this layout after the recording is done)
Tap the live icon ((o)) to choose your live stream platform and begin streaming.