have you updated your permalinks after the theme installation? Settings -> Permalinks
Thanks… Update it to what?
Nothing is mentioned here (portfolio)
or here (setup)
Discussing it with folks, we may end up not using this theme anyway. As their desired look and feel will require theme and CSS modifications which are not available natively in the app (the widget sidebar view is pretty terrible) or supported (meaning we need to customize the heck out of the widgets and header).