One should apply for a visa at least 1 or 2 months before their travel date.

You can visit various destinations in Guatemala where visitors can capture its beauty such as attractions in sports, tech industries, and grand canyons.
You can try various foods and items which are being sold locally.
For foreign visits to various destinations, you must have your visa with you.
Other related things such as being safe from scammers and people who sell fake products to foreigners.

Yes, you have to do this process because your visa will be checked on different platforms and by different officers in paperback form.