A Pre-Approval means the underwriting team have looked at your business and understood the risk exposure your business may contain. On the bases of that they are essentially able to move forward with your account.
During the Pre-approval stage you will be sent out your full pricing options and any associated cost of risk.
After understanding how exposed your business is to fraudulent transactions in line with the amount of transactions you planned to but through,in addition to various other credit checks, with the potential exposure to charge backs and the industry overall exposure.
These are key things that have been looked at to ensure we can keep you trading for the long term and so we can help to avoid your account being stopped or shutdown in mid flow.