Sure, businesses like to control spending, but this scenario seems backwards. If the hoops have been jumped through to get the subscription approved once, and one might need to use it again in future, why would one ever cancel it? Whereas, if subscription approvals were easy, one would be more likely to worry about spending the firm's money unnecessarily.

This is sort of like the fact that strict border controls encourage undocumented immigrants to stay once they've passed the border once.