I've been at this challenge for some time.

> Republic Sovereignty, Elite AI.
> Can't buy Units AND Bonuses.
> Placing additional fleets are allowed (to spend accumulated credits).
> Vehicles are allowed, but it has to be the vehicles assigned to your team (Polis Masa is the only exception).
> No mods. Pure vanilla.
> Start must show this conquest highlighted. Time starts once the initial loading screen is done.
> Each turn and battle must be shown.
> Ending must show the galaxy is under your control. Time ends when continue is pressed.

Are you allowed to use award weapons?

I'd attempt if award weapons allowed