Como abrir por completo todos os arquivos mostrados na pré visualização do ilustrator?

Maybe there are some layers hidden:
To show all the layers my "trick" is this one, first hide all the layers

By clicking on the hamburger menu of the layers planel

Then, do exactly the same thing and you'll see that "show all layers" appears instead, click on it, now all the layers should be showing.

Now the wording would be different in Spanish, but it should be something alongside "ocultar todas camadas" and  "mostra todas camadas"

You can use the translation function to read my message in Spanish as well

Hello @pedro leom14424195,

Thanks for reaching out. Would you mind checking the Layers Panel to find all the available artworks in the downloaded Ai file and sharing your observations?

https://helpx.adobe.com/illustrator/how-to/ai-layers-basics.html

https://helpx.adobe.com/illustrator/using/layers.html

Looking forward to your response.

Thanks,

Anubhav