First Step, is to go to the edit tab and select the operational report
At the operational report you can see a number of more options, choose Invoice Summarized Item Report
A Fastreport Designer window will open
From the layout choose the box that is beside Invoice To
The properties will be open on the right side, From the properties window search for CanGrow and set it to true. After you done setting, save it and now the company name wont be distorted if is too long.