[chipotle_coyote]

I think this may be something that needs to be exposed at the application level, e.g., iWork's "Browse All Versions" feature:

https://support.apple.com/en-us/HT205411

I see this in other apps as well; I just checked iA Writer, for instance, and it shows me versions on iOS. (And, of course, if you have Time Machine enabled on your Mac, you can browse versions for everything on that system, but I don't know how that interacts with iCloud: I suspect it's doing local versioning of your cloud drive!)

[hbosch]

That means it's a local, Mac-only feature. I like having access to old versions in the cloud, partially because my other computer is a desktop PC.

[chipotle_coyote]

The support note that I linked about iWork says that with iCloud, "versions of your documents across all devices are saved periodically as you work on them," which is why I suspect there is a versioning feature exposed at the application level. As I noted, I see this in iA Writer, too. Unfortunately this doesn't help your use case, though.