If you have overlapping fields, or overlapping words, you should do this: 

  • You should check: The font and background of SAP should be like this (Administration-System Initialization-General settings-Tab Font & Bkgd) 

 

font

 

  • Check the display settings of the add-on (Avatax-Settings-Settings-Tab Display). 

 

display

 

  • Here you can modify the distance of the buttons, and then buttons will be moved, set up the distance of each button at your convenience