The phrase "allow him to influence" is correct and usable in written English.
You can use it when discussing the permission or opportunity for someone to have an effect on another person's thoughts, decisions, or actions.
Example: "I decided to allow him to influence my choice of career path, as he had valuable insights and experience in the field."
Alternatives: "permit him to sway" or "let him affect".
A relationship with YouTube might allow him to influence the platform for the better, even if his findings remained a trade secret.
And if recent experience is any indication, the post could allow him to influence the next mayoral election, in a borough that is 71 percent Democratic.
Along the way, the dolphin can acquire songs, which will allow him to influence the movements of other creatures; gifts, which extend his abilities; and crystal shards of the Guardian's power, which extend his health.
Brady, now very much awake, also discovers they will allow him to influence the actions of those around them – turn them into his "very own organic wheelchair[s]" – and from his hospital bed he weaves together the strands of his most sinister plot yet.
Ruscha has been elected to a three-year term on the SFMoMA board of trustees, a position that will allow him to influence the museum at a crucial time in its history.
Initially, the Isle of Bute had only 21 voters who were dominated by his private estate, but it only returned a Member of Parliament in alternate elections, and his estates in Luton were too limited to allow him to influence the electoral process there.
He had a strange power: the villagers distrusted him, but nevertheless they allowed him to influence local affairs.
Moreover, despite nominal rules separating investment banking from research, Mr. Quattrone had analysts reporting to him, allowing him to influence their recommendations to clients.
In the last few weeks, Mr. Assad has also spoken with reporters from newspapers in France and Russia, allowing him to influence public opinion in those two countries.
The moves have the convenient effect of creating two openings on the board just as Time Warner has brokered a deal with Icahn allowing him to influence the naming of two new independent directors.
His presence and his works in those places allowed him to influence painters throughout the Andes, including Gregorio Gamarra, Lázaro Pardo de Lagos, and Diego Cusi Guamán, who was of indigenous descent.
