Once you have made the changes necessary and you have checked the pdf preview and are happy with everything, you can now save everything you have made and publish the changes by clicking the publish button. Then you can proceed to download the final PDF to then distribute to your audience for viewing.
While in the Publication edit screen(Ensuring you have saved all changes in the editor and clicked publish) you simply click the button Download PDF. You will then get a popup saying that Maglr must generate the pdf and it could take some time.
When the popup appears saying it will take some time to generate the final PDF, click the download button in the bottom right. This will then open a new tab which is generating the PDF, once completed it will then close and your PDF will begin downloading. Depending on your browser and settings you will find the pdf in the default download folder. You can then double-click the pdf file, it will then open a program that can read pdf files or you can drag it into your browser and the browser will then open the pdf in a new tab, you can then see the final pdf from here.