There are some panels and several buttons on the right of page:
- Scene - control the canvas properties, list the objects in the scene
- click Refresh Scene Tree if there is nothing
- click Scene - to show up background color picker

- visible checkbox is available on Directional Light, Ground, Grid, Axis and mainObject, you use it to show objects up or not

- click Preview Camera - show up Near, Far and FOV for camera

- Animation - control the FBX animation playing with progress bar here.
