I am debating whether to continue to rent them or to sell one or both of them. 

Renting it out before that could violate the loan agreement unless the lender grants an exception (e.g., job relocation).

How much can I raise the rent?""

Then you can expect to get it rented.  

Looking at SF, turn-key properties that I can rent. 

How does acquiring compare to renting a small office or sharing office space with another business in that market?

that we’ve learned in our 24 years, managing almost 700 doors across the Metro Detroit area, including almost 100 S8 leases:Class A Properties:Cashflow vs Appreciation: Typically, 3-5 years for positive cashflow, but you get highest relative rent & value appreciation.Vacancy Est: Historically 10%, 5% the more recent norm.Tenant Pool: Majority will have FICO scores of 680+ (roughly 5% probability of default), zero evictions in last 7 years.Class B Properties:Cashflow vs Appreciation: Typically, decent amount of relative rent & value appreciation.Vacancy Est: Historically 10%, 5% should be applied only if proper research done to support.Tenant Pool: Majority will have FICO scores of 620-680 (around 10% probability of default), some blemishes, but should have no evictions in last 5 yearsClass C Properties:Cashflow vs Appreciation: Typically, high cashflow and at the lower end of relative rent & value appreciation.

Just looking to see a range that I could rent that out for.

Determine market rent upon renovation. 

In general, DSCR loans will require the property to be either leased or at least "Rent Ready".