After you got a backup of AceSEF URLs, Metadata, Sitemap, Tags ,Internal Links or Social Bookmarks you can easily restore them. At the same time you can migrate JoomSEF / sh404SEF SEF URLs & Metadata to AceSEF.
This is one of the new amazing features of AceSEF 1.5 . You can display social bookmarks wherever you want on for each component without any plugin obligation.