Please refer to the steps below.
1. Click on the "Add Company Documents to Sync" button under the Configuration tab.
2. In the window that pops up, choose your Procore company first
3. On the right hand side, select your SharePoint Site and Library
4. Select the location folder where you would like to sync your company level documents (In the example given below, in screenshot 2, the documents will be synced to "Company Documents" folder that was manually created in SharePoint
5. Click on "Verify this location" to sync your Procore Company Documents to the desired location.