Submit the purchase invoice to the workflow so it can be reviewed.
Steps
Go to Accounts payable > Purchase orders > All purchase orders.
Note
Purchase orders can also be accessed via the Procurement and sourcing module.
In the list, click the desired record.
On the Action Pane, click Purchase.
Click Edit.
Click Workflow to open the drop dialog.
Click Submit.
In the Comment field, type a value.
Click OK.
Close the page.
Go to Default dashboard.