After several hours struggling with multiple recommendations by
David Fong
Salmon
Jesus Velez
pugillum
robb
Michele Scipioni
I still cannot see my comment section using https://utteranc.es/
I realize I did not have my webpage repo public.
When you write your posts/blogs on blogdown, you might not want to always refer to the absolute path appeared on your website (because you might change your domain name and all hell breaks loose).