Possibly. I'm not that familiar with it, so I don't know the capabilities.
If it requires database access, then I would run away screaming. You will have to build and maintain a detailed database dictionary, and that's a bloody nightmare with Jira.
If it can make queries of Jira over REST, then, while you'll still need to put some thought into mapping some of the bigger things, the REST interface is a lot more representative of what you get from the UI and what humans would expect to see.
(To help you understand the difference here: If you ask the REST API "show me an issue", you get the issue with all the detail you ask for in one go. If you ask the database, you are looking at a query with 10 joins just for the system fields, and many many more if you have custom fields, versions, components and and and. Don't use SQL, you will have nightmares)
The best bet is, of course, add-ons. I'd take a good look at EazyBI and Arsenale's Dataplane. They understand the database so you don't have to.
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