Choose the history tab, then the PR History tab, and then the History subtab.
The history of the requisition is shown in chronological order, including approvals and any notes added by Purchasing. You can choose whether to see the most recent comments first by clicking on the words Date/Time at the top of that column. The history of the requisition does not include distribution (such as order sent to supplier.) Distribution information is available in the history of the PO. See Purchase Order Status and Comments.