The answer in general is no, and I've also wished there was a simple way to do it. The only exception I know of is when you export a notebook with a
HTML, as in this question. The exported
GIF image actually contains a reference to an
image map which is a very old-fashioned way of providing tooltip information in images embedded into
HTML. However, the coordinate ranges in the image map are often too buggy to be of any use whatsoever. It's as if someone forgot to finish this project 15 years ago and it's been in that state ever since.
If you export graphics to
SVG individually, I think a viable option is to post-process the