I would not freeze it
just keep it cold
I did something similar, but I did a pork butt a week before a potluck at work.
I vac sealed it and put it in the fridge, it was great.
Ok Joe Offset, New Braunfels El Dorado, Weber OTS 22.5 & 18.5, (2) Master Forge Charcoal, Auber ATC, charcoal retort Weber drum rotisserie