Yes. You can use V-Ray Frame Buffer to access the render elements of jobs rendered in Chaos Cloud. V-Ray Frame Buffer can be used to load images with their render elements, rendered on Chaos Cloud. The only two image formats that store render elements are .vrimg and .exr. If you want to access render elements of jobs rendered in Chaos Cloud, make sure you have chosen one of the two formats as the image output type within the settings of your host 3D platform. Read more here.