Manage Settings: For additional features like Polling, Annotation, and Breakout Rooms, these options need to be turned on through the “Manage Settings” area in Zoom.
Article - My Meeting Settings

Chat: The in-meeting chat allows you to send chat messages to other users within a meeting. You can send a private message to an individual user or you can send a message to an entire group. As the host, you can choose who the participants can chat with or to disable chat entirely.
Article - In-Meeting Chat

Polling: The polling feature for meetings allows you to create multiple choice polling questions for your meetings. You will be able to launch the poll during your meeting and gather the responses from your attendees. You also have the ability to
Article - Polling For Meetings

Annotation: Meeting participants can annotate on a shared screen as a viewer. The tools available will vary based on the version of the Zoom desktop client or mobile app and your device type, but participants can draw and highlight on the screenshare.
Article - Annotation As A Viewer