If admin has adjusted ShareSync Backup Policy, you will receive the notification in ShareSync.
Note: If you need, you can modify syncronization settings:
If you want to change Backup the settings on particular PC:
Right-click the ShareSync tray icon and navigate to Settings > Folder Selection
For more details on Folder syncronization read the Knowledge Base article on ShareSync: Selective Sync
Note: Settings always contain current settings on this particular device
If some files are excluded by Admin policy, they would have special overlay icon. No options are available for excluded files.