Yes, it's possible in QuickBooks Online (QBO), Armen.
You can utilize the Advanced Search feature in QBO to see the list of your Purchase Order (PO). I'll show you how.
- Go to the Magnifying glass icon, and click the Advanced Search link.

- Filter the Search option to Purchase Orders.
- Click Search to apply the changes.

- Select the Date Filter drop-down to filter the dates, and click Apply.
Another way is through the Expenses menu. Here's how.
- Go to the Expenses menu
- Select the Expenses tab.
- Click Filter and select Purchase order and filter the Dates.
- Select Apply.
Furthermore, you can also utilize the Transaction List by Vendor report and modify it to show your PO. In addition to this, I'm adding these links that can guide you on how to convert an estimate to PO and pay your bills:
Please don't hesitate to leave a comment if you have any other questions about your PO transactions. I'm always here to assist you. Keep safe!