Can I use the SharePoint framework to synchronise files from a network folder to a document library? If not the framework is there a way to host some service that will monitor a network drive and pull any changes to a document library. Any help appreciated.
Microsoft provide a few ways to synchronise files between your PC and SharePoint/OneDrive for Business.
For Microsoft 365, the OneDrive application allows you to synchronise files between a folder on your PC and a SharePoint document library or OneDrive for Business account:
For SharePoint 2013/2016, you may need to use the older OneDrive client (groove.exe):
If you cannot use the above options, you may be able to use Power Automate to achieve this requirement. Using the File System connector, you can connect to local or network machines. You will need to use the On-Premises Data Gateway to use this connector.