Hi, for uploading, you can use standard functions such as Attachments.
Or Incoming Document.
As for its URL, unlike Sharepoint and OneDrive, you can't find or display its URL directly. API is generally used in BC. For example, the following is the standard Incoming Document API.
Thank you for your reply! To ensure a great experience for everyone, your content is awaiting approval by our Community Managers. Please check back later.