CC and CC 2014 have the Tone in ACR option because ACR can be used as a Filter in the subscription PS versions.
In CS6, you'll want to save the 32-bit image out of HDR Pro as a TIF without adjusting it in HDR Pro, then go back to Bridge and right-click and choose Open in Camera Raw... then you should be able to do the same things. It may start out a little brighter due to the Save/Open cycle that occurred, so instead of increasing the exposure, maybe decrease it, but still use the Highlights, Shadows, and Clarity to improve it. The toning is all "season to taste" anyway, so whatever looks good to you.