If you want to make the document available for your readers you have to publish it. Just click the publish button to start the process. A copy of the current state of your document will be copied and associated with the public weblink.
Once the publishing is complete your weblink will appear within the document information view. You will also see when your document was created, last edited and published. Just click the preview button or the newly generated Permalink to open your document in a new browser tab. The Permalink is a fixed and non changeable URL.