works Connector for Salesforce & Jira works with Jira Service Management out of the box.

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If your instance is affected, see Configuring Project Permissions for Project Role. The guide assumes that you have installed Connector for Salesforce & Jira.

Support for JSM comments in Cloud

With the latest release of Connector for Salesforce & Jira (Cloud), users can now control the visibility of JSM comments through Salesforce package settings.
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Limitations

 Connector for Salesforce & Jira (Server)  currently currently does not work with the Jira Service Management comment visibility setting. 

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