The linked documentation refers to the Legacy plugins:
ADDON. Version 0.0.68. Released on 2020-Jan-01. Provides 153 components. Created by Ladybug Tools. Features 34 video tutorials.
Ladybug Tools 1.1.0 and Ladybug Tools Legacy have different components, as they have different features.
Maybe you should read this post again:
At the end, it lists the Currently excluded Legacy features:
- THERM Integration
- Ironbug Integration
- Ladybug Renewables
- Envi-Met Integration
If you want renewables, install the Legacy version along LBT 1.1.0 from Foo4Rhino.