I struggled with puppeteer upload pdf to supabase too! One thing that helped was using `page.setInputFiles()` instead of `page.uploadFile()`. It felt more reliable for me.
Also, make sure your Supabase storage bucket is set to public or has the right auth rules. That tripped me up at first.
Also, make sure your Supabase storage bucket is set to public or has the right auth rules. That tripped me up at first.