You can do this by running the setup wizard. Watch this video to learn how to

These changes can also be done directly on the settings page. You'll need some CSS/JS knowledge for that.
To access the settings page, go to your dashboard and click on the settings icon (Refer to the image below)
On the settings page, there are multiple options to help you adjust different parts/properties of the offer. Look for "Product Page Offer Location"

You'll be provided with 2 fields to adjust. A text field (1) to add the HTML Selector (Watch this video to see how to get the selector) and a dropdown (2) to choose the position (On Top, In the beginning, In the end, Bottom)