For standard bullet lists we have disc, circle and square.
So, this below is simple list with 3 items and circle bullet and just used 1 parameter for bullet type="circle"
If you don’t add type default will show unstyled list
[sdf_list type="circle"]
[sdf_list_item]Integer maximus massa nunc, libero eros efficitur justo[/sdf_list_item]
[sdf_list_item]Integer maximus massa nunc, libero eros efficitur justo[/sdf_list_item]
[sdf_list_item]Integer maximus massa nunc, libero eros efficitur justo[/sdf_list_item]
[/sdf_list]
And you’ll get this:
[sdf_list type="circle"]
[sdf_list_item]Integer maximus massa nunc, libero eros efficitur justo[/sdf_list_item]
[sdf_list_item]Integer maximus massa nunc, libero eros efficitur justo[/sdf_list_item]
[sdf_list_item]Integer maximus massa nunc, libero eros efficitur justo[/sdf_list_item]
[/sdf_list]
Font Awesome icon bullets
For Font Awesome icon bullets set type to type="icon" as below.

Also, for each item we need mandatory icon parameter e.g. icon="check-square-o" which can take value of any icons name just shortened for “fa-“part: http://fontawesome.io/icons/
And optional size parameter e.g. size="lg" which can take values lg (33% increase), 2x, 3x, 4x and 5x also supported by FontAwesome default css.

[sdf_list type="icon"]
[sdf_list_item icon="check-square-o" size="lg"]Integer maximus massa nunc, libero eros efficitur justo[/sdf_list_item]
[sdf_list_item icon="check-square-o" size="lg"]Integer maximus massa nunc, libero eros efficitur justo[/sdf_list_item]
[sdf_list_item icon="check-square-o" size="lg"]Integer maximus massa nunc, libero eros efficitur justo[/sdf_list_item]
[/sdf_list]
And you’ll get this:
[sdf_list type="icon"]
[sdf_list_item icon="check-square-o" size="lg"]Integer maximus massa nunc, libero eros efficitur justo[/sdf_list_item]
[sdf_list_item icon="check-square-o" size="lg"]Integer maximus massa nunc, libero eros efficitur justo[/sdf_list_item]
[sdf_list_item icon="check-square-o" size="lg"]Integer maximus massa nunc, libero eros efficitur justo[/sdf_list_item]
[/sdf_list]
[sdf_list type="icon"]
[sdf_list_item icon="check"]Integer maximus massa nunc, libero eros efficitur justo[/sdf_list_item]
[sdf_list_item icon="check" size="lg"]Integer maximus massa nunc, libero eros efficitur justo[/sdf_list_item]
[sdf_list_item icon="check" size="2x"]Integer maximus massa nunc, libero eros efficitur justo[/sdf_list_item]
[/sdf_list]
[sdf_list type="icon"]
[sdf_list_item icon="check"]Integer maximus massa nunc, libero eros efficitur justo[/sdf_list_item]
[sdf_list_item icon="check" size="lg"]Integer maximus massa nunc, libero eros efficitur justo[/sdf_list_item]
[sdf_list_item icon="check" size="2x"]Integer maximus massa nunc, libero eros efficitur justo[/sdf_list_item]
[/sdf_list]
[sdf_list type="icon"]
[sdf_list_item icon="chevron-right"]Integer maximus massa nunc, libero eros efficitur justo[/sdf_list_item]
[sdf_list_item icon="chevron-right" size="lg"]Integer maximus massa nunc, libero eros efficitur justo[/sdf_list_item]
[sdf_list_item icon="chevron-right" size="2x"]Integer maximus massa nunc, libero eros efficitur justo[/sdf_list_item]
[/sdf_list]
[sdf_list type="icon"]
[sdf_list_item icon="chevron-right"]Integer maximus massa nunc, libero eros efficitur justo[/sdf_list_item]
[sdf_list_item icon="chevron-right" size="lg"]Integer maximus massa nunc, libero eros efficitur justo[/sdf_list_item]
[sdf_list_item icon="chevron-right" size="2x"]Integer maximus massa nunc, libero eros efficitur justo[/sdf_list_item]
[/sdf_list]