If you have a recordset created on the page before loading the pro Maps wizard, you can Click on the Lightning bolt next to the address fields and bind them to the correctponding Recordset Column.
From the Help Documentation at:
in the Using Pro Map[s For Google -> Step 2: Entering Address or Coordinates section
Show multiple: Enables using an available recordset on the page to return location information for the given listing. Use the data bindings for each location element to map database columns from the recordset selected.