At my last job I used a dummy iCloud account at the system level, but you can log into a separate account for the app store, which was necessary to avoid having

At my last job I used a dummy iCloud account at the system level, but you can log into a separate account for the app store, which was necessary to avoid having to re-buy some apps I depend on. Just as I was leaving they were in the process of replacing everyone's computer with new ones that were much more locked down.