5. The machine learning based procurement system of claim 4 , wherein the secondary system is to: perform an audit process of the one of the bids; and determine from the audit process whether the procurement system is to accept or reject the one of the bids, the determining generating an identifier to accept the one of the bids or an identifier to reject the one of the bids; and the at least one processor is to: receive a message, from the secondary system, the message including the identifier to accept the one of the bids or the identifier to reject the one of the bids; and accept the one of the bids as the winning bid if the identifier to accept the one of the bids is received in the message.
4. The machine learning based procurement system of claim 3 , wherein to select one of the bids as the winning bid, the at least one processor is to: determine from the evaluation of the one of the bids, whether the one of the bids is associated with a high-risk procurement; if the one of the bids is determined to be associated with the high-risk procurement, invoke a secondary system to perform an audit of the one of the bids.