Most of the time, they are not considered acceptable in the realm of literature. While literature can explore many aspects of human nature, sexual content in an explicit and inappropriate way is not something that should be encouraged. There are so many other aspects of human experience that can be explored in a more positive and ethical way through literature, such as friendship, family, and the pursuit of dreams.
In general, they are not acceptable. Literature should aim to promote positive values, beautiful emotions and profound thoughts, while adult erotic short stories mainly focus on sexual content which is not in line with this.
No. Such stories often contain vulgar and inappropriate content that goes against the general moral and ethical standards of literature.