The polite pronoun is used in the same grammatical way as the plural pronoun - all verbs whose subject is a polite pronoun are conjugated as they would be if the subject were a second person plural pronoun.
Example: Using the Polite Pronoun "Sie"
Hier dürfen Sie nicht rauchen. - You are not allowed to smoke here.
Ich habe Ihnen schon die Email gesendet. - I sent you the email already.
Er wird Sie bald anrufen. - He will call you shortly.
Third Person Pronouns
Singular
Plural
Generic
Masculine
Feminine
Neuter
Nominative
er
sie
es
sie
man
Genitive
seiner
ihrer
seiner
ihrer
einer
Dative
ihm
ihr
ihm
ihnen
einem
Accusative
ihn
sie
es
sie
einen
The generic pronoun "man" is grammatically equivalent to the third person singular pronouns - when the subject is "man", the verb is conjugated in the same way as if the subject were "er", "sie" or "es". The main purpose of the generic pronoun is to express general statements and is very similar to the English "one".