Hi Team,

In some cases, your client would like to see an information on the SO only if a box is checked. 

Here is the solution:

1) Add a checkbox field on the model sale.order: x_appear

2) On the report Qweb view related to this model, you should add a "t-if" on the field you want to see or not on the report (with a xpath, of course)

Here is an example for the Margin (and other fields my clients wanted to see (report below the code):