These menu is used for managing the inventory. You can learn about the inventory system concept here. 

PCC settings

This is where you can assign PCC/ Clinic staffs to manage your inventory on your behalf. It means you give them access to your inventory and manage them. If you want to manage your inventory by yourself, you can uncheck all clinic staffs.

Inventory by PCC

This is where a PCC/ clinic staff manage the inventory.

Inventory by PCC (Clinic level)

This is where a PCC/ clinic staff manage the inventory for clinic level. 

Inventory by PCC (Branch level)

This is where a PCC/ clinic staff manage the inventory for branch level. 

Inventory pending acceptance

You can see the list of inventory pending acceptance here

Inventory menu for providers/ injectors

If you are a provider/ injector, you will have these menu:

Inventory

This is where an injector/ provider manage the inventory.

Inventory by PCC (Clinic level)

This is where injector/ provider manage the inventory for clinic level. 

Inventory by PCC (Branch level)

This is where injector/ provider manage the inventory for branch level.