Do you think writers like Vergil or Ovid were ever entirely free to write what they wished-Why or why not?

This is a short essay question for an exam, so there is no need for citations. Think about both the sorts of evidence used and what that evidence tells us about the ancient Romans.

In your answer, provide an example or two but do not worry about covering everything.

And this is the promp: Some of the most famous Roman literary works were written during the reign of Augustus, and under his patronage. Do you think writers like Vergil or Ovid were ever entirely free to write what they wished? Why or why not?