I've seen a bit of SaaS and legacy websites-with-invoice-system doing that, with e.g. wkhtmltopdf. It isn't a lightweight solution, but it's a good hammer for a

I've seen a bit of SaaS and legacy websites-with-invoice-system doing that, with e.g. wkhtmltopdf. It isn't a lightweight solution, but it's a good hammer for a strange nail, a lot of off-the-shelf report systems suck.