Can I choose to show the campaign only on specific pages?
When you are creating your campaign, and after you have selected your objective and outcome go to Build your campaign > Appearance settings. You will see a field called 'Show campaign only on URLs that contain'.
Here, you can insert the part of the URL for this specific page that you want the campaign to be appeared.
For example, if the page I want is heyoliver.com/blog, I will write: /blog
Note: Don't forget to press Enter after inserting each part of the URL, for it to become valid.