1. We’re not self hosting, using invoiceninja.com
2. As I said, Chrome is perfect, Firefox and Edge each have their own inconsistencies.
– Firefox wants to download the pdf automatically. If you close the download pop up you can see the invoice is not rendered in the browser whether using invoiceNinja subdomain or in an iframe onsite.
– In MS Edge it doesn’t try to download but renders no invoice content.
All Chrome, FF and MS browsers allow the invoiceNinja menu, the dashboard, invoice lists and payments data render fine.