Hi! If I understood correctly, you would like to start the Panoramic Experience from an ordinary 3D object in scene, is it correct? If so, the answer is “yes” and is quite easy: put a Panoramic Director actor in scene (configured to play a 360 video as first Panoramic Stage), on your gameplay event (e.g. when your user interact with the “picture frame object in the level”) you simply call the method Play() of the Panoramic Director.
In this tutorial video you can find the above steps around 7:00 (we use a trigger volume to start the Panoramic Experience, but the concept is the same):