On Vebbler, comments are called as reactions. If you wish to react to something:
- Tap on the photo/video > Tapon the bottom
- You can either write something through a text box or react through GIFs by tapping
- Tapto comment on it
- To create a new paragraph or line break within a text reaction, tap enter or return key on your keypad
Anyone who can view the photo or video can view your reaction.