@Baraka Njare
Thank you for posting in Microsoft Q&A forum.
SCCM is usually used to manage a large number of clients, it has many functions and bitlocker management is just a small feature of SCCM, it's not recommend to use it only for bitlocker management.
Here is client numbers for site to management:
https://learn.microsoft.com/en-us/mem/configmgr/core/plan-design/configs/size-and-scale-numbers#bkmk_clientnumbers
Here is features and capabilities of Configuration Manager
https://learn.microsoft.com/en-us/mem/configmgr/core/plan-design/changes/features-and-capabilities
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