On each points type, achievement or rank edit screen you will see new boxes that will allow you enable and configure the progress style you want to show at frontend:
The current available progress types are:
You can configure different progress looks for each one (for points type and points awards, and for achievements and steps).
For example you can use the images type for the achievement, and the progress bar type for steps:
Or you can use the plain text type for the achievement, and the images type for steps: