There are a few methods available in Natural Engineer that will allow you to do this.
One is to use the Environment Report, Database Data Requirements. Go to the Environment Menu->Application Reports->Database Data Requirements. You will be presented with a list of DDMs, select the one you want and select the output destination to be Excel. On the next screen then select all when presented with the list of fields. When the report is presented in Excel use the standard Data->Auto Filter and select STORE from the Keyword column.
A more efficient way is to use Impact Analysis. Select Natural Keywords and choose STORE statement. Then in Keyword Value(DDM Name) select the DDM you require. Run Impact Analysis and the results will show you the information I think you require.