Adjustments to themes/designs and showcasing before buying

Hi,

Are you allowed to make adjustments to a themes/designs before buying the license?

I want to make the demos more appealing, interesting and suitable for clients. With changes such as:

  • Minor modifications to logo/menus/buttons.
  • Replacing the text content with more suitable content.

And showcase the demos (with the adjustments) as a static site or image to the clients.
Instead of linking to the traditional “Live Preview” design on Envato.

It would improve the sell/conversion rate immensely!

If it’s not allowed, do guys have any suggestions how it would be do-able?