curl --request GET \
  --url https://api.example.com/api/v1/purchase-orders/direct-cost/{document_id} \
  --header 'Authorization: Bearer <token>'

{
  "id": "<string>",
  "internalId": "<string>",
  "status": "<string>",
  "currentVersion": 123,
  "supplierId": "<string>",
  "supplierName": "<string>",
  "orderDate": "<string>",
  "currency": "<string>",
  "subtotal": "<string>",
  "taxRate": "<string>",
  "taxAmount": "<string>",
  "adjustment": "<string>",
  "total": "<string>",
  "createdAt": "<string>",
  "createdBy": "<string>",
  "supplierRefPO": "<string>",
  "expectedDeliveryDate": "<string>",
  "linkedMrId": "<string>",
  "productionOrderId": "<string>",
  "salesOrderId": "<string>",
  "paymentTerms": "<string>",
  "deliveryTerms": "<string>",
  "supplierConfirmed": false,
  "confirmedDeliveryDate": "<string>",
  "confirmationDate": "<string>",
  "confirmedById": "<string>",
  "notes": "<string>",
  "items": []
}