The expectation set by the Bonvoy term and conditions:
"Platinum Elite Members and above receive a complimentary upgrade to the best available room subject to availability for the entire length of stay at the time of check-in."
"I'm sorry, we don't have any suites available."
I show the clerk the many suites literally available to book real-time in the app for the length of my stay.
"I'm sorry, our policy is that suites are not available for complimentary upgrade."
Lifetime Status: No Lifetime Status
Hotel: San Juan Marriott Resort & Stellaris Casino
Location: San Juan, Puerto Rico