Hello,
1. Of course, you may remove demo data or replace with your own content, for example products http://prntscr.com/hv4sqa I’ve added some widgets in your Product Page sidebar. Please check http://prntscr.com/hv4z1a > http://prntscr.com/hv4z8p + http://prntscr.com/hv4zbi 2. I’ve added Text widgets in Footer areas with content according to documentation. Please check.
Regards
