3D content created with the help of 3D tools and a game engine (Unity), output are 3D stereoscopic apps (for specific devices, Oculus, GearVr, Cardboard, Android, iOS).Pre rendered video
3D content in 3D space, output is a video stream. The video stream could be 360 video stream or 360 stereoscopic video stream. Both are supported by YouTube.
The option to create a pre-rendered 360 video stream is often overlooked, perhaps because creating Interactive VR is far more challenging and attractive for developers.
However with a smaller budget (often the case with corporate media) a pre-rendered video stream is just what we need.