Our Button have a lot of options that you can combined
you can find it insideĀ  WPBakery Page Builder (Visual Composer)

On Button you can manage a lot of things:
font (all parameters), border, link, icons, float
Unlimited combinations

4 Button Size
Small, Medium, Large, XLarge

2 Button Style (work with or without border)
Squared, Rounded

You can add icon on button
in every button versions

You can use whatever
Font you want