If anyone needs help getting gamepad viewer to work on duel pc streaming I finally figured it out! And it is literally so easy! Just extend screen in windows settings open obs
Gamepad Viewer by magmaus3
how to add gamepad viewer without pc|TikTok Search
GamePad Viewer - The Official Controller Display & Tester
HOW TO SHOW CONTROLLER HANDCAM ON OBS & LIVESTREAM | GAMEPAD VIEWER TUTORIAL - YouTube