With Scroll documents, now you can link to the latest approved version of a document with a stable url. You can do this in the following way - 

First, Generate the share url of your document which should look something like this -


Then, append 
#!/view/latestApprovedat the end of the url like so - 


In case you want to link to last saved version (irrespective of the document status), then simply append #!/view/latest at the end of the url instead of #!/view/latestApproved