Hover over "Sales" on the left-side menu, and select "All Sales"
Click "Filter" and set the type to "Invoices". Under "Customer" select "Agents". Enter the date on the invoices you pushed from Broker.Ez. (Note: this is the date on the invoice, not the date you pushed them from Broker.Ez to Quickbooks)
Scroll through the list and check the boxes for all the invoices you would like to send out. Then under "Batch Transactions", select "Send Transactions".