You can use Emojis in any comment or chat in Podio. To use an Emoji, start by typing a colon (":"), and you will see a list of suggestions to choose from. You can narrow down the list by typing further.
For a full list of all available emojis, check out this handy guide.
Using Giphy, you can also include GIFs in any Podio comment or chat message. Simply type "::" plus any keyword to search the GIF database.