In the Magento 2 connector, the “created by” column is not available in the data sync. This is key information as this is how we differentiate which orders are online, and which are through a sales rep. 

This is a column in the basic order grid on Magento and should also flow through to looker studio but for some reason its not. 

If your able to add this column in the connector I would subscribe to super metrics as this is critical information needed in our report.