As far as I know, Jira Align is seen as a tool which sits on top of Jira - as opposed to being part of your instance. This means that whilst it utilises your data - it isn't necessarily apart of your site like Portfolio or Service Desk would be.
But if you want a definitive answer on the above, I'd suggest contacting Support (https://support.atlassian.com/) - this is still a relatively new product for many, so they'll be best placed to assist!
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