hi,
for point 1:
i need to check this out after checking will inform you within sometime
and for 2...
you can achieve this with the help of pdf certificate
refer: https://wplms.io/support/knowledge-base/pdf-certificates/
https://www.youtube.com/watch?v=d9mXInbmFGY
https://www.youtube.com/watch?v=kyJGVlegWTc
https://www.youtube.com/watch?v=ylT1j35dUbg
https://wplms.io/support/knowledge-base/wplms-pdf-certificates-update-1-3/
make sure you have enabled all the latest version of plugins and theme on your site
in the course setting you will find the option regarding the course certificate from there you can add the certificate to your course
to achieve the desirable goal please follow the above tips carefully as per your need