Open the 
Production
BOM window.
Click Component, Comments. In the Comment Sheet window, you can enter any text in the Comment field. You can assign these comments by entering a value in the Date field.
Close the window
You can enter comments for a single item of a production BOM.
Open the Production
BOM window.
Click Component, Comments. In the Comment Sheet window, you can enter any text in the Comment field. You can assign these comments by entering a value in the Date field.
Close the window
Entering Comments for Production BOMs