# Document approvals

3 operations.

Approving or rejecting purchase orders and returns to vendors.

## Operations

| Operation | Kind | What it does |
| --- | --- | --- |
| [approvePurchaseOrder](/reference/document-approvals/approvePurchaseOrder/) | mutation | Approve a purchase order internally so it can be submitted. |
| [approveRtv](/reference/document-approvals/approveRtv/) | mutation | Approve a return-to-vendor before it ships. |
| [rejectPurchaseOrder](/reference/document-approvals/rejectPurchaseOrder/) | mutation | Reject a submitted purchase order internally — back for rework. |