As of now, one salesforce can only integrate to one JIRA Cloud. This feature request is to allow multiple JIRA Cloud into one Salesforce
Note: user can integrate one JIRA to many Salesforce,
|Hosting platform||Cloud, Server|
Unfortunatly we have to push back on the delivery of this idea due to its complexity. Current estimate: By July-Aug 2022.
Aidin - Product Manager of the Connector for Salesforce and Jira.