Hello @Sneha A S ,
Your Jira Cloud instance has to be able to send and receive data to and from your app.
Therefore, yes, you need to start both:
Finally, please notice that this is not be the best place to get help on development related questions. In case further help will be needed on this topic, you might want to refer to the resources listed in https://developer.atlassian.com/resources:
If you already heard about Smart Commits in Bitbucket, know that you just stumbled upon something even better (and smarter!): Genius Commits by Better DevOps Automation for Jira Data Center (+ Server...
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