Can one be used as for third person writing?

The pronoun "one" can be used in third-person writing, but it's generally considered formal and somewhat impersonal. It's often used to refer to people in general, or to avoid specifying a particular gender or individual.

For example:

* "One should always be polite." This avoids specifying "he" or "she."

However, overuse of "one" can make writing sound stiff and awkward. It's better suited to formal contexts like academic writing or certain styles of instruction manuals. In most other types of third-person writing, "he," "she," "they," or other more specific pronouns are preferred for clarity and a more natural tone.