Purchase Order Notes A user may add notes to a Purchase Order here.  Use the controls to  add a note or a task . Supplier Notes Anything entered in the 'Supplier Notes' field against the Supplier will be copied into a Purchase Order note whenever a Purchase Order is created. This information will not change if the 'Supplier Notes' are updated in the future.  Sales Order Notes If a Purchase Order Line is created from the Sales Order detail page, or from Required Orders , a note will be added to the Sales Order with more information.