Check out this video that shows how to use Camera Raw as a Smart Filter in Photoshop CC.
In this video, Julieanne Kost demonstrates how to take multiple exposures and combine them into a single 32-bit HDR file that can then be edited nondestructively using Adobe Camera Raw as a Smart Filter in Photoshop. In addition, you’ll discover how powerful using Camera Raw as a Smart Filter can be when working with layered files.
Thank you Julieanne for this wonderful video, it is clear easy to follow.