OneDrive is responsible for the synchronization of personal files on your desktop. This includes your documents and pictures folders. If you are logged into Office.com, you can access your personal data outside of your laptop. This platform acts as a backup of your data in case something happens to your laptop.
Sharepoint is liable for company files that you can access directly on your computer through the file explorer.
Utilizing and using both SharePoint and OneDrive together can be beneficial for your business.
Watch this video for a demonstration on the basics of the synchronization process between OneDrive and Sharepoint in the cloud and on your computer.