As far as I can tell, though, self-awareness/self-determination and having a soul seems to be separate things in FFXIV.
Specifically, I'm thinking of Alpha. He was totally self-aware and could do plenty of things against and apart from his created purpose, but it was only at the end of the Omega raid series that the Echo works on Alpha, which Cid speculates is because Alpha has grown a soul just then.
We never did "hear" Maggie through the Echo, but that could be because her story is "done" for now. (And possibly because the lore team hadn't come up with that piece of lore about souls at the time.)