It lists all NSX-T LB capabilities (LB Deployment, Monitor, Server Pool, L4 VIP, L7-HTTP VIP, L7-HTTPS VIP, LB Rules, and Troubleshooting) with detailed examples for each.
You can find another great document to learn the basics about NSX-T native LB capabilities:
This ToI highlights NSX-T native LB capabilities and its latest NSX-T 3.1 enhancements.