If your rendering and compositing workflow relies on ACES, it makes a lot of sense to have an image viewer that can display them correctly. Anchorpoint is able to view EXR files and can apply any OCIO color spaces such as ACEScg, ACEScct, Rec. 709, or Raw. The following video will show you how to do that.
Download Anchorpoint: https://www.anchorpoint.app/
00:00 Intro
00:53 Change color settings
01:30 Use custom OCIO configs