You can do it as long as it’s on the same spread. Create the button but
don’t add an action just yet. Create a very small empty text frame and
anchor the button to the frame. Add the frame to the other MSO and then
select the button. You should have both MSOs as a choice for which to
Have you signed up for the beta and installed the new tools? There is no
change in behavior for the overlays with the exception of the already
deprecated panorama being dropped and the name changed to Overlays.
I don't know how much more straight forward this can be. That list has
the links for CS6 through CC2015 for Mac and Windows.There is no need to
replace the prior tools. The old and new versions can sit side by side.