Guide2-Questions Concerns

Do I have to use Original Sealer & Semi-Gloss Finish before Original Satin Finish?

A common question asked is: I have the ORIGINAL Satin Finish and the instructions say to start with the ORIGINAL Sealer & Semi-Gloss Finish, TRUETONE Stain or UTOS. Is that necessary? Because the ORIGINAL Satin Finish is a finish to be used on wood surfaces for a satin sheen, a Waterlox Sealer should be used Do I have to use Original Sealer & Semi-Gloss Finish before Original Satin Finish?