You can display the Sticky Buy Me Widget other than the product page by using the Sticky URL Based ATC feature.
To set up the Sticky URL Based ATC feature, please follow the below steps:

1) Click on the Sticky URL Based ATC.
2) To add a URL, click on Add New URL button.
3) After that add the URL of the page where you want to display the Sticky Buy Me Widget.

4) Now search the product which you want to display in the Sticky Buy Me Widget on the above-specified URL. (NOTE: Write the exact product name while searching. Short-cuts will not work.)
5) To enable Sticky URL Based ATC feature, please select the Sticky URL Based ATC is enabled? option.
6) Please press the Save button after making any changes.