Welcome to the Community, @Kylawhite73. I've got some information you need so you can move your data from QuickBooks Point of Sale to QuickBooks Online.
QuickBooks Point of Sale only links to the desktop versions. I'd suggest looking for a third-party app that can integrate with QBO. You can either go to the Apps menu or access them through the QuickBooks App Center.
Here's how to find apps within QBO:
Alternatively, you can also move your data from POS to QBDT then migrate files from QBDT to QBO. Here’s an article for further guidance: Move your QuickBooks Desktop file to QuickBooks Online.
Also, I’m adding this guide here to learn more about the differences in how your books appear when hen moving data from QBDT to QBO: Learn how features and data move from QuickBooks Desktop to QuickBooks Online.
You can always reply or reach out to us again if you need anything else about managing your data. We're always here to guide and assist whenever you need help. Have a good one!
In QuickBooks Desktop Point of Sale, go to File > Utilities > Import. From the Data Import Wizard, select Next. Select the type of data to import then Next. Select Default template on how you want to import the data and open the Import Template. Select Next and follow the prompt.