I would be extremely nervous about 'we" have a lawyer --there is no "we" in this and you might be darn foolish to use the services of a lawyer who is closely aligned with an heir or his mother!
Unless the will directs you as executor to use a specific attorney its up to you as executor to pick an attorney of your choice to represent the estate and the executor.
The attorney is entitled to a fee for his work on behalf of the estate ...if he is retained to address the trust he is probably entitled to another set of fees,
You are executor are entitled to a fee unless the will says otherwise--albeit its often a low % but then again 5% may mount up --PLUS costs . You may also be entitled to a trustees fee. PLUS costs
I'm suggesting you do not rule out that others have a eye on the money tree and its control and you need to be smarter and more assertive to take charge
And most such court records are public records --you go get them and pay a modest copy fee and you make darn sure your attorney is working for you and you get copies of everything and others do NOT.