With Filestar you can easily convert HDR to PS. Accessible directly in your right click menu for single or batch HDR processing. How to convert HDR to PS:
1. Download and install the latest version of Filestar. (https://filestar.com)
2. Right click on one or more HDR file(s) on your desktop and select Convert with Filestar.
Type "convert ps" in the search box.
3. Press Run.