Satisfactory = Good enough to be acceptable.

• Her examination results were not satisfactory.
• The service in the hotel was not at all satisfactory.
• The salary they offered was more than satisfactory.
• You may be dismissed from service if your performance is not satisfactory.

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Satisfying = giving pleasure or contentment.

• For many people , a part-time job can be very satisfying.
• It’s a most satisfying meal.
• It can be very satisfying to cook our food ourselves.
• As far as I am concerned it is very satisfying to work with him.
• It can be very satisfying to work in the garden.