Final answer:
Option (1), The exception among the advantages of an extemporaneous speech is that it does not allow for word-for-word documentation.
Step-by-step explanation:
The advantage of an extemporaneous speech that does not apply is a. allows for word for word documentation. Extemporaneous speeches are known for their flexibility and personal touch which makes them seem natural; they also allow the speaker the freedom to move about, making them dynamic and engaging. However, they are not usually written word for word, unlike manuscripts, which means they do not provide the advantage of exact documentation.