If I am understanding your question correctly, you can assign any Bookmark's destination on the fly by right-clicking on the bookmark, and choosing Set Destination. Something to keep in mind - a bookmark points to a View, not a page. A view is defined as a location at a specific magnification. So if you plan to set a bookmark's intended target, you should have exactly what you want your audience to see when they click on the bookmark set just right in your view before issuing the Set Destination command.
You can also edit a bookmark's destination by right clicking on the bookmark and choose Properties... Explore the Actions tab to see what options are there.
I hope this is helpful.