The phrase "as important roles to" is not correct in standard written English.
It seems to be an incomplete expression and lacks clarity in its intended meaning.
Example: "The committee members serve as important roles to ensure the project's success."
Alternatives: "as significant roles in" or "as crucial roles for".
He added that crime prevention such as Neighbourhood Watch and Farm Watch had important roles to play in assisting the police.
Clinical and molecular geneticists have several important roles to play as part of the DSD MDT.
Bandura's SCT [ 12] proposed that individuals learn behaviours by observing and imitating others through vicarious experience and the current findings imply that active friends could serve as important role models to children and could be targeted in attempts to promote physical activity in children with T1DM.
In such situations, the university sees itself as having an important role to play, as it already has in bringing together students from various colleges within the network.
Traditional carriers, as well as entrepreneurs, have an important role to play in improving insurance for consumers.
Surface modifications as well as surface treatments play important role to enhance service life of many critical parts of different materials that are used for engineering applications.
Scholar Robert McQueen Grant explained the action as a stigmata, that marked Madonna as having an important role to play in the narrative.
Teachers are valued by the society as playing an important role to nurture responsible and useful citizens for the country.
The organisation had just undergone a reform process, and the new president clearly viewed public relations as having an important role to play.
Guests Are Always Number 1 Your guest should always take the number one stage when planning your dream wedding as they an important role to play when it comes to choosing your venue and your arrangements.
