Managed Apple IDs: This Apple ID cannot be used to make purchases

Managed Apple IDs cannot be used to download apps; instead, Device-Based Assignment must be used.

Managed Apple IDs are not permitted to be used in any commercial transaction. This implies that IAPs, storage or service purchases, as well as app purchases, are no longer available. Apps may be distributed via Device Based Assignment. To compensate for the inability to purchase more, Apple has increased iCloud storage restrictions. There is presently no workaround for IAPs; you will need to contact the app creator for alternatives. To deal with this scenario, several apps provide a full-featured version.

Microsoft Intune Policy Refresh Intervals

What are the policy refresh intervals for the various device platforms in Microsoft Intune?

1. iOS - Every 8hrs
2. Android - Every 8hrs
3. Windows Phone - Every 8hrs
4. Windows PCs - Every 24hrs

In addition to the above-mentioned policy update intervals, if the device was recently enrolled in Microsoft Intune, there are a few other intervals worth mentioning:

1. iOS - Every 15 minutes for 6 hours and then every 6 hours
2. Android - Every 3 minutes for 15 minutes then every 15 minutes for 2 hours, and then every 8 hours
3. Windows Phone - Every 5 minutes for 15 minutes then every 15 minutes for 2 hours, and then every 8 hours
4. Windows PCs enrolled as devices - Every 3 minutes for 30 minutes, and then every 24 hours

Reference: https://docs.microsoft.com/en-us/mem/intune/configuration/device-profile-troubleshoot#how-long-does-it-take-for-devices-to-get-a-policy-profile-or-app-after-they-are-assigned