Custom Invoice template

Hello, i'm trying add TypeKit font to custom invoice template but your app tells me that i cannot use script tag. I follow this instruction. https://help.invoiceocean.com/767922-How-to-add-a-font-from-Adobe-Typekit-to-your-invoice-template- Obraz w treści 1 But your application does not allow me to do that. Is it possible to change the font in invoiceocean in PDF file? I also have a second problem. When I made a copy of the template, the correction notes stopped working. PDF file does not display the entries on the document. Can I change the template of a PDF file or create working custom PDF template? I can not find a complete example of the invoice template. Your Github repository does not contain files with a correction note positions.