How to Upload PDF document in yellow

I want to upload pdf file and use that url in button
sample url looks like this:-
https://yellowmessenger.blob.core.windows.net/confidential/x1697629536942/UGPXwmggRHc21708330112859.pdf?st=2024-02-19T08%3A08%3A32Z&se=2024-03-20T08%3A08%3A32Z&sp=r&sv=2018-03-28&sr=b&sig=S%2FuPEQSWK4lcq8YL6oXE2zb3wudvUz8IyeHcTkDTQxs%3D