If you have a standard note, you can insert a find number that is associative like this using the link table cell option:

If one is doing drawing notes, which are (at least in our case) in the sheet format you cannot select the BOM at the same time, because the BOM is on the sheet, not the sheet format.

If you want to add a find number to another table, the link to a cell in a table (a Torque table