100 Lite Nodes can be run on 1 computer or 1 VPS instance. This means that if you have up to 100 Lite Nodes you will only see 1 node online in your dashboard.
Example 1: If you own 100 Lite Nodes you will need to run 1 computer/server. In your dashboard you will then see them online.
Example 2: If you own 3 Smart Nodes and 10 Lite Nodes. You will need to run 4 computers/servers and you will see 4 nodes online in your dashboard.