A: Yes, you can! We recently (May 2022) added the functionality to use emojis in Upsales. To use this, you can right click in the field of your choice and press "Emojis and symbols" on Mac:
This is also possible on PC, but then the keyboard shortcut for non-touchscreen Windows computers is Windows + ; (semi-colon) or Windows + . (period) to access your emojis.