Can a sync be configured only to collect a single Jira project?
Yes, it is possible to sync a specific project. Want to learn best practices for improving your Confluence and Jira data collections? Watch Automating Atlassian data collections for eDiscovery.
Does Onna support collecting from Jira Service Management?
Yes, Onna supports the ability to collect tickets within Jira Service Desk and Jira Service Management.