We have a Trial version of Jira Service desk - I'm going through your online documentation and I'm not seeing an option to do the types of activities and adjust settings in the manner that you're directing me to do.
Do you have cloud or server?
I think it might be cloud but I'm not the one who set up the trial.
Just confirmed that it is cloud
I think that's what you need: https://confluence.atlassian.com/get-started-with-jira-service-desk/administer-jira-service-desk-917968295.html
And a little tip - when you read the documentation, pay attention to this switch:
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