Google sites are easy to use, and publish. If you want to insert documents into a Google site, it is simple. Since this is a drag and drop website builder. Simple click on the insert tab on the right hand corner at the top of the builder. You will see multiple options, simply select Google drive and choose any PDF file you want to insert into the document. Below is a screenshot of this process.
If drag and drop seems time consuming, simple try out RedTim, it is plug and play. This means you select the files you want to display on your website, and let RedTim’s algorithm worry about where to publish it and how to represent it.