You can upload basically every file type into a session to share it with other users. 

For collaboration during the session, VSight Remote currently supports PDF files and image files (PNG, JPEG, JPG).

Additionally, 3D objects (GLB, GLTF, OBJ, DAE, SCN) can be placed in the live stream. In case your 3D models are in STEP format, please use the converter in the VSight Remote web application.