Yes, this can be done via Campaign Placements.
1. Navigate to All site settings in Menu:
2. Go to Placements.
3. Find Floating Widget placement or Create a new placement if there’s no placement for it yet.
4. Click on the placement and hit 'Edit'.
5. Fill out the “Shown on:” section. Widget will be displayed on the URLs that are specified there, and you can use the “Hidden on:” section if it’s easier to fill out the URLs where the widget shouldn’t be shown.
