HelpDesk Allow to Accounts

Excellent HelpDesk program. For a long time I was looking for something good, and I was pleased to find the perfect option for myself. I am sure that I will buy, but now I am testing and trying how this program is suitable for my purposes.
You have "Restrict to Accounts", but if I want Allow to Accounts. If I have 20 account, but want Access only for 2.

We are currently running Maian Support version 4.2. I configured