added faq section

Author: mahour

gatsby-config.js

@@ -568,6 +568,10 @@ module.exports = {
                 title: 'Support',
                 path: 'overview/support.md'
             },
+            {
+                title: 'FAQ',
+                path: 'overview/faq.md'
+            },
             {
                 title: 'API Status',
                 path: 'overview/status.md'

src/pages/overview/faq.md

@@ -0,0 +1,36 @@
+---
+title: FAQ
+---
+
+# Frequently Asked Questions (FAQ)
+
+## 1. How can I get access to Adobe PDF Services API Free Tier if I am using company or school account?
+
+Invoking PDF Services API requires an Adobe-provided credential. To get one, [click here](https://acrobatservices.adobe.com/dc-integration-creation-app-cdn/main.html?api=pdf-services-api), and complete the workflow.
+
+#### Step 1:
+
+**Sign out** if you receive the message, “You don’t have access to PDF Services API”.
+![entp signup failure](./images/entp-singup-failure.jpg)
+
+#### Step 2:
+
+**Click on** "Get Credentials" button.
+![get credentials image](./images/get-creds-btn.png)
+
+#### Step 3:
+
+**Click on** "Create an account", and **Sign up** using same email.
+![create account](./images/create-account.png)
+
+#### Step 4:
+
+**Select** "Personal Account" under account types.
+![personal account](./images/personal-account.jpg)
+
+#### Step 5:
+
+**Select**  "Personal Profile" to sign in.
+![personal profile](./images/personal-profile.jpg)
+
+Now you should be able to create credentials to get access to the Adobe PDF Services API Free Tier!