3820870 - Why was our company credit card stored under Concur Travel, linked with the employee's corporate profile on the United Airlines App?

One of our employees linked his United Airlines account with Concur. We have a stored credit card for use when travel is booked using Concur. This stored card is now linked with the employee's corporate profile on the United App without him having to do anything additional. How is it that the system linked the stored card automatically?

Stored card information automatically linked with the employee's cooperate profile on the United App. , KBA , CON-CA-APC , App Center , Problem