I don't believe the initial permission to run credit checks, etc., includes the right to do it at will after they've been approved. 

We added to our rental agreement that AC unit installs require our written permission, so we can check to make sure they are installed properly to prevent damage to the window and to prevent overloading of the electrical circuit.

And you'd need permission to have a kitchenette in there, too, probably. 

In our lease it states that the tenant must ask permission before making permanent modifications to the property, it also states that any tenant upgrades shall become the property of the landlord when completed and paid for by the tenant, and shall remain on and in the apartment on the expiration of this Lease.I am curious to hear what others do, when a tenant wants to make an upgrade that is an improvement to the property?

Most PMs have a get permission $ amount.  

https://www.yahoo.com/gma/couple-continues-fight-e...They moved into a vacant for-sale home without permission and the judge didn't order an expedited eviction.  

I don't see permission to take photographs in your lease.  

My property manager has to get my permission for anything below 700.  

Without permission.

I won't hand over the keys until the day of move-in (when the lease says that they have permission to be on the property).