[STUDIO] Can You Clone Just One Item to a Few or All Pages?

Yes you can, just use the sheep icon.

Select the object(s) (text, shape, image, border), click the sheep icon, and then "Clone to Other Pages".

Select the page(s) you want the object on and then click "Clone"

If want to clone 2 or more objects to other pages, hold down the shift key and click on the items you want (or use right hand area and click the radio button while holding shift key). While selected, right click and pick "Group Items" before cloning. It is not necessary to group them first if you don't want to.