Updated code to work with learn domain and changed review questions button.

// ==UserScript==
// @name Learning Bot for "Microsoft build cloud skills challenge"
// @namespace https://www.microsoft.com/cloudskillschallenge/build/registration/2022
// @version 0.1
// @description Automatically complete each learning module for "Microsoft build cloud skills challenge"
// @author You
// @match https://learn.microsoft.com/*/training/modules/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=microsoft.com
// @grant none
// @license MIT
// @downloadURL https://update.greasyfork.org/scripts/445522/Learning%20Bot%20for%20%22Microsoft%20build%20cloud%20skills%20challenge%22.user.js
// @updateURL https://update.greasyfork.org/scripts/445522/Learning%20Bot%20for%20%22Microsoft%20build%20cloud%20skills%20challenge%22.meta.js
// ==/UserScript==
(function() {
'use strict';

window.setInterval(() => {
window.scrollTo(0, document.body.scrollHeight);
let startBtn = document.querySelectorAll('[data-bi-name="start"]');
if (startBtn.length) {
startBtn[0].click();
}

let nextBtn = document.querySelectorAll('[data-bi-name="continue"]');
if (nextBtn.length) {
nextBtn[0].click();
}

let modalNextBtn = document.querySelectorAll('.modal-card [data-bi-name="continue"]');
if (modalNextBtn.length) {
modalNextBtn[0].click();
}

let questions = document.getElementsByClassName('quiz-question');
for (let q of questions) {
q.querySelector('label').click();
}

let checkBtn = document.querySelectorAll('[data-bi-name="module-unit-module-assessment-submit"]')
if (checkBtn.length) {
checkBtn[0].click()
}

let achievementBtn = document.querySelectorAll('[data-bi-name="unlock-achievement"]');
if (achievementBtn.length) {
achievementBtn[0].click();
}

let completedBtn = document.querySelectorAll('[data-bi-name="learn-completion-continue"]');
if (completedBtn.length) {
completedBtn[0].click();
}

return
}, 1000);

})();