.eps files are not readily exportable/nor supportable from Tableau. However, after doing a quick internet search, it looks like there are some sites that will change the file extension. For example, this one:
Hope this helps!
Thanks, Tracy. I will give that a try.
you could export the viz as .EMF (windows enhanced metafile), it's a vectorial format o cousin of postscript. If your journal could deal with .emf files the case is solved, if not you could install inkscape (inkscape.org) application and convert from .emf to postscript or .svg (scalable vector format) usable on a magazine workflow pre-production.