The phrase "a source of comments" is correct and usable in written English.
It can be used when referring to a person, document, or platform that provides feedback or opinions on a particular subject.
Example: "The online forum serves as a source of comments for users seeking advice on various topics."
Alternatives: "a provider of feedback" or "a platform for opinions".
Although the nature of Vietnamese English business communication is "a source of comment and curiosity", there is a dearth of research in this area (van Horn 2008: 622).
The design was also a source of comment.
"The industry's role in a case like this is as a resource -- a source of ideas, comments, facts and analysis," said David Boies, the Justice Department's chief trial lawyer.
Our result that family members exceeded peers as a source of weight comments was in contrast to published findings [ 34].
The gorefest of the wives' bodies has been a source of endless comment - though it's hard to escape the fact that Perrault, an ardent royalist, is also writing social satire at the expense of the bourgeoisie.
Under her management and editorship The Nation continued to be a leading national forum and advocate of liberal policies as well as a source of informed comment and criticism on the arts and society.
Constance's devotion to her work is a constant source of comment and crankiness for her more or less amorous colleagues.
Quickly will be for those presenters (an older actor or a director, say) whose black tie outfit may not be a source of fascination but whose comments may be.
Her biographer, John Campbell has pointed out that this was not unusual in 1960, when the newly elected MP originally submitted her Who's Who entry: what was strange was that she never altered it, even after the omission became a source of public speculation and comment.
Twitter is attractive because it has built a service that attracts this much volume, creating a constantly growing, twitching, seething real-time source of comments, news and opinions," said Jeff Mann of Gartner research.
On Saturday, the justice secretary Michael Gove, who is campaigning for Brexit, stopped short of ruling himself out as the source of comments the paper said were made by the Queen at a meeting five years ago, at which Gove was present.
