SEO Friendly is a big topic.
SEO encompasses proper use of meta tags, title tags and may other areas of your site
Do you mean to ask if it uses friendly URLS?
If so: that is not a function of framework builder, it is a function of setting your server to mod rewrite. for a getting started tutorial on mod rewrite, see this page:
a-deeper-look-at-mod_rewrite-for-apache/