Yes, you are able to create a design that doesn't have a waveform.
You aren't required to add one to your design. If you've already added one and would like to remove it, select the waveform and click Remove Item at the top of the page:
When is support available?
Read this link for support hours: https://support.wavve.co/en/articles/5373873-when-is-support-available-to-help-me