Material Files also allows you add a shortcut to the stock file manager (DocumentsUI), using "Add storage" > "Android/data" from app drawer. You may even manual

Material Files also allows you add a shortcut to the stock file manager (DocumentsUI), using "Add storage" > "Android/data" from app drawer. You may even manually edit the shortcut to point to a specific subdirectory inside Android/data, and I plan to make that easier (so that you don't need to manually URI-encode your path if you edit) in an upcoming version.