How do we export multiple pages to PDF in one document though?
If you are using Chrome or OS X you can export multiple pages to PDF in one document via Print–>Save as PDF. We will fix it for other browsers soon.
Cool, we don’t have a near-term fix for this, but if you can do it we’ll give you git access 
Fore more general info on draw.io for Confluence or Jira, please refer to our draw.io webpage.
And some great blogposts! Blog - draw.io