3-way Matching is enabled by default in the Vendor Bill workflow but if you want to check or edit the settings, follow these steps.
Open the Vendor Bill workflow and click on the ⚙️ Settings icon in the top right-hand corner:
On the Matching tab, tick the "Enable 3-way Matching" checkbox. Here, you can also define how strictly Bills must be matched before they can be approved, for example, whether all lines must be matched or if unmatched lines are allowed:
Click on SAVE CHANGES and update the workflow:
When enabled, the current Bill Approver/Reviewer/Requester or an Organisation Administrator/Account Owner can match each Bill line to both a Purchase Order line and an Item Receipt line before approving.