You could also access it via ADB, and Shizuku lets you access ADB permissions on the device itself. No root required either, but the app needs to be built to use it. I found this file manager to work pretty well.
I believe you need root to access those, plus a file manager that supports it (I use Mixplorer which does). Otherwise, as someone else suggested, you can access them from a computer over ADB or MTP.