The phrase "advertisements can help" is correct and usable in written English.
You can use it when discussing the positive effects or benefits of advertisements in various contexts, such as marketing, business, or consumer awareness.
Example: "In today's competitive market, advertisements can help businesses reach a wider audience and increase their sales."
Alternatives: "ads can assist" or "promotions can aid".
It's in the so-called reality shows, in the daily blogs, in advertisements (drinking milk can help reduce your waistline), in music videos suggesting bling as the antidote for everything, in political press conferences and even in newspaper stories.
And Aristotle's databank can help place candidates' advertisements that pop up, as if by magic, on the computer screens of some voters.
Moreover, for the marketing analyzers, and advertising planers, automatic monitoring of ads can help to collect informative statistics on the distributed advertisements.
But beyond the polished shine, the advertisements also claim that their celebrity tutors can help students ace Hong Kong's university entrance exam.
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As you are the person who made the poster, you may be asked to make posters for people in future and this can help with a bit of self advertisement.
You mentioned in your advertisement that you're particularly interested in a nanny who can help improve your children's ability to speak French.
While there are few services that can help mobile users find, say, the closest pizza restaurant, an advertisement, delivered near a user's location, can provide that data.
Carefully wording job advertisements, including additional questions, updating company websites, making time for speculative applicants and using recruitment agencies can help ensure SMEs identify the best candidates and make the process more efficient.
"We need a turbo-charged public education program that can help revitalize recycling in the city," said Mark A. Izeman, a senior lawyer at the Natural Resources Defense Council, which tried to promote the effort with its own advertisements earlier this year.
