Preview video is longer than the downloaded one

Hi! When I see the preview video in this element Aplicación innovadora y promoción web por Videostones en Envato Elements is 42s long. But when I download it and open with After effect is 14s long. Have this anything to do with my licence?
Thank you for your response.

The preview video shows the 14 second mobile version, the 14 second laptop version and the 14 second combined version.

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