@Jon Holdman It sounds like the assignment contract might be permissible by my lender since I am purchasing directly from the current owner. 

Let me also tell you about how they renew contracts without my permission at hundreds of dollars below market rent.

For that matter, perhaps the PM gave them permission.

Since I have the leases now, I know the tenants names so I do a facebook search and low and behold they have a large rottweiler dog and obviously never got permission.

Use: Referred to as the “Use and Exclusives Clause,” you will want to be clear as to how the property may be used and what type of business types and activities are permissible.

She's essentially telling you, "I need to break the lease, how can I make this easiest for both of us" and not asking for your permission to do so.

If this is a deal that requires capital expenditures, you definitely need to walk the property with your contractor and get permission to do some digging before you go into contract, because otherwise you are going to have no idea how much capex you are in for.

He took possession of the apartment without the landlord’s permission, yet the Landlord had to evict him just as though he were a normal tenant.

I've had many rentals and I request copies of ALL their canceled checks for their rent and verify the date the check was deposited from the back of the check.Secondly, I request the permission of the potential tenant to speak to their immediate manager or college advisor.

PM does twice a year inspection and let them know what needs to be fixed and have been addressing those as needed with their permission.