Apple Business Manager

Buy required content for initial deployment in Apple Business Manager
As soon as possible, buy any apps or books required for your initial deployment. Both paid and free content can be acquired using Apple Business Manager. To learn about purchasing content, see Select and buy content in Apple Business Manager.
Availability of app licenses depends on the amount purchased:
5000 licenses and under are immediately processed.
5001 to 19,999 licenses are processed after 1:00 PM Pacific daily.
20,000 licenses or more are processed after 4:00 PM Pacific daily.
Note: Books and iBooks textbooks aren’t available through Apple School Manager, Apple Business Manager, or the Volume Purchase Program in these countries or regions: Hong Kong, Singapore, Taiwan, Turkey, and United Arab Emirates.