Window Design

The solution that we have allows users to create an estimate for items damaged after a loss. I have asked the system to create a prototype / workflow where a user could match items from a receipt to items from their estimate. Here's the window that it has created. Even after multiple interaction with Elle, it cannot create a usable window that I can use to present my prototype to colleagues or clients. Look at the last iteration. I told Elle to make the window larger so that I could fully see the Approve button and it made only the button larger, not the whole window...