
To create a Guestbook page in Alis - Wedding & Wedding Planer Beaver Theme like this one - https://alis.vamtam.com/guestbook/, please follow the steps below.
Step 1: Create Page
Step 2: Add Page Title
Step 3: Launch the VamTam Beaver Builder if you need to place a few sentences that will appear above the form. (Guide to Vamtam Beaver Builder)
Step 4: Chose the "Guestbook" template.
Step 5: You can manage the comments - remove, approve, reply, spam.

Step 6: If you don't see the Comments area on your page, please click on Screen Options:

then tick Discussion:

and below Vamtam Options in Discussion section check option Allow comments:

Notice:
When a customer leaves comment/review, you have two ways to manage it - you can approve manually each review, or you can allow comments to be published without moderation. Please go to Settings > Discussion > Before a comment appears
