Do the users have access to the fields? Aren't ACL's in the way?

If not: please show is how you configured to show the fields, not just the result of them not showing up.

Also: not sure why you posted the same question in the same forum twice.. https://www.servicenow.com/community/csm-forum/i-need-to-make-custome-fields-visible-on-csm-portal-w...