Frankly Informative, though unabashedly so.
This film is somewhat difficult to standardize guidelines for.
This is a movie about the MPAA, the ratings board that the American Film industry uses and backs to rate its films. Seeing as you are using this site, you are most likely well aware of the issues the MPAA has, meaning that this film may be interesting.
Regarding objectionable content, this film a lot of it. As a documentary, it interviews multiple film makers and as per usual, shows clips regarding what the film maker is speaking about. So as an example, when Kimberly Peirce was interviewed regarding the NC-17 rating of her film, "Boys Don't Cry", the offending scenes where shown.
So yes, this movie as an exposé of objectionable films has a lot of nudity and violence from a variety of films. If regardless of context you are opposed showing graphic violence or sexuality ranging from the standard detached heterosexual missionary of many films to other forms of human sexuality such as masturbation, LGBT relationships (and sex), or fetishism, than you will want to stop your children from watching this.
The large caveat is that the context is one of analysis and detachment. Yes, there is a lot of nudity, but it is used to explain an argument. I would argue that the analytic tone and context of said material makes it so that one should watch this movie first, then decide whether it is appropriate for their child. Some may say that the content regardless of what is used for is inappropriate therefore this movie is, while others may recognize the intellectual value of this film and allow their child to watch it for the sake of knowledge.
In conclusion, this film has graphic content, but lacks the character or plot development for it to have sensual or emotional weight. It is quite detached due to the analysis. The child in question is going to be the determining factor as the film is impossible to standardize as too violent or pornographic. It's difficult to gauge whether informational content is inappropriate for anyone within a demographic.
This title contains:
Violence & scariness