Good Morning, @MDCincy.
I hope your day is going well so far. Yes, QuickBooks will automatically sync your transactions after you have successfully connected your financial institution. The two-step authentication is required from your bank and needs to be entered to connect the bank account.
Once your bank is synced with QuickBooks, then you can click the Update button within the Banking page to upload the transactions. Here's how:
It's that easy! If you have any other questions, don't hesitate to ask. I'm always here to lend a helping hand.