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You can update these permissions (Add) or remove existing permissions; you can grant permissions using the following options:
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Project Role
Administrator
Atlassian-addons-project-access - This will grant access to add-ons - More information.
Service Desk Customers
Service Desk Team
Application Access
Jira Software
Jira Core - This will grant access to Jira only excluding agile
Group
Public (Heads up: Anyone on the internet can perform these tasks if you grant permission to the 'Public' group.)
Any logged-in user
Service Project Customer - Portal Access
Reporter
Single user
Project lead
Current assignee
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