The phrase "advised to obtain" is correct and usable in written English.
It can be used when suggesting that someone should seek or acquire something, often in a formal or professional context.
Example: "The doctor advised to obtain a second opinion before proceeding with the treatment."
Alternatives: "recommended to acquire" or "suggested to get".
If a student plans to quote their sources, then he or she is advised to obtain signed permission from informants.
Trainees are advised to obtain pre-approval through the Program Coordinator for expenses for which they will request reimbursement.
Generally, people at higher risk for contracting the virus like those 50 and older and children with chronic conditions are advised to obtain shots.
Before awarding building permits for erection of sculptures, municipalities might be well advised to obtain a written waiver of the artist's rights too.
The Ghibli has some complicated rules and schedules for ticketing, and international travelers would best be advised to obtain tickets before leaving home (see www.jtb.co.jp/eng/ghibli/ticketsystem.html), rather than be disappointed by missing a fascinating museum.
A simple procedure has been advised to obtain accurate quantitative results from the DSC measurements based on the estimation of the thermal resistance between the sample and its enclosure.
Currently, the American Academy of Dermatologists advises to obtain vitamin D through diet or oral supplements and intentional sun exposure for this purpose is not recommended [ 9].
Parents were advised to find the money to transport themselves to Soroti hospital, 14km away, to obtain syrup for the baby.
The letter provided her with notice of a grand jury investigation and advised her to obtain a lawyer.
Days before the murder, at the direction of MBS, his brother ― the Saudi ambassador to the U.S. ― advised Khashoggi to obtain the marriage documents from the Saudi consulate, assuring him of his safety.
