Help with breaking up a column in PowerBI to make a bar chart
You need to clean up the data. Load it into the Power Query editor. 


Split the column with the variables by the delimiter ;
now you have a lot of individual columns, some have values, some are empty
select all columns except the newly split ones and use Unpivot > Unpivot Other Columns on the transform ribbon.
Now you have one row for each combination of document name and variable
Rename the columns as you see fit, delete the Attribute column and load the data.


Create a chart with the variable column in the legend.