WooCommerce Connect finds Orders to import by using their Status. "Get Orders With Status" should be set to "Processing". "Set Orders to Status" should be set to "Completed".
WooCommerce Statuses include:
Pending - order received but unpaid
Processing - order is awaiting fulfillment
Completed - order is fulfilled
For WooCommerce Status Settings:
1. Go to the System toolbar, to the Company card, to the Company Prefs tab.
2. Click the WooCommerce button and the WooCommerce Settings will open.
3. For Get Orders with Status, choose Processing.
4. For Set Orders to Status, choose Completed.
5. Click OK to Save settings and then click OK to Save the Company Card.