Yes there can be as many as you want. They are called agents and Service Desk pricing depends upon number of agents. https://www.atlassian.com/software/jira/service-desk/pricing/
However there can be unlimited customers who can open tickets via customer portal.
Hope this helps
I’m a designer on the Jira team. For a long time, I’ve fielded questions from other designers about how they should be using Jira Software with their design team. I’ve also heard feedback from other ...
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