Remember, when you make Public (ie. 'Tick'/'Check' the 'Box'); and, Enable Relationship Viewing, being the Relationships part, of the Contact 'Tab', of YOUR Settings ...
You agree to allow other users to see their relationship to you, your display name, your portrait in Family Tree, if available, and any shared ancestors.
Conversely, if you want to view your "Relationship with another User/Patron; then they MUST also make Public (ie. 'Tick'/'Check' the 'Box'); and, Enable Relationship Viewing, being the Relationships part, of THEIR Settings ...
As such,...it only works both ways...provided both Users/Patrons...do the same...
Here is a Knowledge Article in FamilySearch on the matter:
How do I turn on or off the option to view my relationship to other users?
I hope this helps.
where are you expecting it to "show up"? (for others)