The phrase "authorizing them with" is correct and usable in written English.
It can be used when discussing the act of granting permission or power to someone, often in a formal or legal context.
Example: "The manager is authorizing them with the ability to make decisions on behalf of the team."
Alternatives: "granting them authority to" or "empowering them with the right to".
Since the federal wiretap law had been enacted in 1968, the guidelines for these foreign-intelligence taps had remained unclear; the Nixon Administration had asserted that the President could authorize them with no Congressional or court supervision.
We told the restaurants to send the bills to the newspapers, and I authorized them with the company information I had gotten hold of at work. .
Beware of check boxes: Many legitimate online publishers and stores add options -- usually with check boxes -- on their Web sites authorizing them to share personal information with "marketing partners".
"We hate when passengers ring their call button, because then everyone else sees you and suddenly wants something too," said a flight attendant for a U.S. airline, who asked not to be identified because the company has not authorized them to speak with the media.
Two senior Justice Department officials, speaking on the condition of anonymity because the department has not authorized them to discuss the issue with reporters, said they knew of only a handful of terrorism cases since the Sept. 11 attacks in which the government might have monitored lawyer-client conversations.
You sign with this trader and authorize them to sign a contract on your behalf".
In response, representatives of the European Central Bank held a conference call with commercial bankers on Friday to discuss risk, according to a person with knowledge of the talks who was not authorized to discuss them with the news media.
We need assurance that children are with someone who is authorized to travel with them".
"We strongly encourage borrowers to contact their servicers, who are fully authorized to work with them on a case-by-case basis," the company said in a statement.
The system then sends a text message to buyers asking them to authorize the transaction with a texted response, and the charge appears on their mobile phone bill.
