It’s not an official, or legally required document pertaining to the MSgt’s retirement.
But, it is traditionally given to all of the command’s retiring members spouses.

He didn’t sign certificate for retiring master sergeant’s same-sex spouse. It conflicted with his religious beliefs. https://t.co/Z7qROFZEmC

— Stars and Stripes (@starsandstripes) October 27, 2017

If S&S won’t give you access, here’s a free link
Kirtland officer disciplined over same-sex marriage beliefs - Albuquerque Journal