Accusoft has released Prizm Content Connect for SharePoint V. 7.2. Among other new features, the service pack update for the company's popular embeddable document viewer for SharePoint environments ...

By creating sites and using the Page Viewer Web Part, the team members can both access the SharePoint site for collaboration and access the read-only file shares.

Second is to look at the SharePoint Online storage pool you have available and if that is going to be enough to store your files. You can view that from the SharePoint Online admin center.