outlet vs sales outlet

outlet and sales outlet both are nouns.

Word	Noun	Adjective	Verb	Adverb
outlet	Yes	No	No	No
sales outlet	Yes	No	No	No

As nouns, outlet and sales outlet are synonyms defined as:

Other synonyms of outlet include mercantile establishment, retail store.

outlet (noun)	sales outlet (noun)
activity that frees or expresses creative energy or emotion	a place of business for retailing goods
an opening that permits escape or release
a place of business for retailing goods
receptacle providing a place in a wiring system where current can be taken to run electrical devices