Certainly you can request an audit of all his financials. That is why you will get your own lawyer, who will look out for your interests and guide you thru this process. Have you done any research yet for a good L?
Your H is likely trying to rush the process before you get too knowledgable about your rights. What is the process in your state? how long does it take?
I would not respond to his text. He is badgering you.
Live your life while you are still living. Riding the trail less traveled.