The bot scope lets the team direct message or mention the WoBot

The chat:write:bot scope lets an app “Send messages as your slack App (i.e., Wobo)”

The chat:write:user scope lets the WoBot “Send messages on the user’s behalf"
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The users:read scope lets the WoBot view email addresses of people in the workspace

This scope lets the WoBot “View people in the workspace”

This scope lets the WoBot view information about direct messages that your slack app has been added to.

This scope allows the WoBot to “Add shortcuts and/or slash commands that people can use