The phrase "although not authorized" is correct and usable in written English.
It can be used to indicate that something is being done without official permission or approval.
Example: "The document was shared with the team, although not authorized by management."
Alternatives: "even if not permitted" or "despite lacking authorization".
Although not authorized by Madonna, Bray decided to release them by remixing some of the tracks, and keeping the others in their original form.
Although not authorized to rule the kingdom, the Andriamasinavalona were deemed societal elders and gained the right to become "masters of the fief" (tompo-menakely) and construct tranomasina on their tombs.
Although not authorized to do so, he did step out of that role when a message arrived that Company B's senior officers had been killed, leaving the unit in charge of an inexperienced officer.
This movement, although not authorized by me, has assumed such an aspect that it becomes my duty, as the executive of this Sate, to interpose my official authority to prevent a collision between the people of the State and the Federal troops under your command.
Although dual practice is not authorized by legislation, the authorities do not object if public health workers open private clinics, laboratories or pharmacies [ 12].
Although Vanguard was not authorized to manage mutual funds, the agreement with Wellington didn't preclude the company from running a fund based on the management of others, even if they are members of the Standard and Poor's Index Committee.
Although he was not authorized to change the work order, he took the initiative to consult with his supervisor who ok'd the restoration of service to our home.
Wright also speculates that the CIA may have been protecting intelligence operations overseas, and might have been eying Mihdhar and Hazmi as recruitment targets to obtain intelligence on al-Qaeda, although the CIA was not authorized to operate in the United States and might have been leaving them for Saudi intelligence to recruit.
Although Lakeland Police officers are not authorized to use Periscope, one of the officers added the app to his own phone in order to track the suspect, according to WTSP.com.
"A new cabinet will be formed in the near future," a government official said by phone, although he requested anonymity because he was not authorized to speak publicly.
Additionally, pages that warn they are not authorized by Facebook could (although not always) be harmful to your computer.
