This is an example of how a Vertical Bar looks like in the Dashboard
After selecting vertical bar, you'll get the options to select columns, so choose one column "Data Labels" with String input and one column "Values" with numbers as input. Give both Axes a name via the Data Title and Values Title.
Concerning the values you'll get advise about the Minimum and Maximum value on you Values Axe. Also determine how many steps there should be in the Value Axe.
The result is shown by clicking on Preview.
You can choose for each item which groups are allowed to view the Item.