The phrase "section of the document" is correct and usable in written English.
You can use it to refer to a specific part or portion of a document, such as a document containing legal information. For example: "The relevant information can be found in the second section of the document."
In the autobiographical section of the document, Sor Juana traces the many obstacles that her powerful "inclination to letters" had forced her to surmount throughout her life.
There was a lot of blog discussion of a reference to me and Dot Earth in a section of the document that Heartland now says is fictitious.
The leak of the patents and pharmaceuticals section of the document revealed the 12 negotiating countries were still discussing biologics, a class of medications manufactured from living organisms, such as proteins, cells and tissues.
On a more openly party political note, a section of the document titled Key Lines to Take, urges Labour MPs to say the confusion is the fault of the Conservatives.
The longest section of the document focuses on anticorruption and rule of law, signaling the enormous concern of Western countries over the way money is spent by the government.
When it comes to tonight's return of The Trip – Steve Coogan and Rob Brydon's culinary travelogue series (the first was set in the Lake District, this one is in Italy), this section of the document must be almost funnier than the programme itself (which is saying something).
A section of the Google Document document detailing "problems encountered" notes that none of GitLab's five deployed backup/replication techniques "are working reliably or set up in the first place".
(The sections of the document that appear to describe those techniques are almost entirely blacked out).
Indeed, those sections of the document could serve as a syllabus for Environmental Science 101 in just about any college classroom.
It is clear that the sections of the document on financing and implementation, and on follow-up and review, need to be beefed up before September.
India, which acceded to the agreement in 1939, was subject to the sections of the document prohibiting "trophies" made from any animal mentioned in the annex.
