"Unleash your team's creativity with Jamboard. Sketch your ideas, whiteboard-style, while benefiting from the access and connectivity of an interactive canvas. Drop images, add notes and pull assets directly from the web while collaborating with team members from anywhere."
HoloMeeting allows you to collaborate by sharing, viewing and amending 3D models (e.g Revit), documents (e.g. PDFs) and collaborate (e.g. freehand draw, whiteboard, etc.). In addition, you can share your camera and use it for remote assistance/maintenance.