"Reuse" button should always show you reuse dialog without you having to scroll
When you click "Reuse" button, a dialog appears at the top of content and if the user has a small screen (or if he is trying to reuse a tall content like a column) popup is not visible without scrolling. One user during the usability session did not know what happened, she did not know she has to scroll up.
This can be solved either by:
scrolling up and showing the dialog or
by making the dialog appear on the bottom next to a reuse button