You can use this feature to record progress for one scout at a time on an individual award.
There are three ways to get to an individual user's achievement record: using the "quick Nav"; option, the Achieve button, and the user profiles on the Manage badge. Here is a screenshot of how to get there using the Quick Nav option:
Once you have chosen a scout, select achievements, and the following screen will appear:
2: If the scout has previously worked on the award, simply find the award and click Actions, then edit. A new screen will appear, just follow the prompts and save.
That's it!