Thank you for your feedback. Short Link is a Host functionality and not specific app functionality. OneDrive Consumer and Box support it. SharePoint and OneDrive for business require using a free SP app or 3rd party tools. Hope this answer your feedback, if not, can you please provide more info?
Tamar [MSFT]Anonymous commented
Links to docs: too long, you need a short link option, looks unprofessional and is awkward on phone.