TheRedistribute WorkloadSAP Fiori app is specifically designed to help balance the workload among purchasers by reassigning purchase requisitions. Below is an explanation of the correct answer:

Reassign purchase requisitions to the purchasers (D):This app allows you to redistribute purchase requisitions from one purchaser to another, ensuring an equitable distribution of tasks and preventing bottlenecks in the procurement process.

Reassign purchase orders to the purchasers (A):The app does not handle purchase orders but focuses on purchase requisitions.

Reassign approval work items to relevant approvers (B):Approval workflows are managed through separate apps or tools, not the Redistribute Workload app.

Reassign purchasing group in the purchasing documents (C):Changing the purchasing group is done during document creation or modification, not through this app.