If you have draft statuses enabled in document settings you will be able to find the Approvals page as a sub page to the Documents page.

Here you will see an overview of all the Approvals in the project

New approval request - With this button you will be able to make a new approval request

Approval settings - Administrators will be able to configure their approvals here

Here you will be able to search and filter your approvals.

Open approvals are filtered by default.

Under the search bar you will find a list view of all the approvals that fit your filter.

Click anywhere on the approval to open it.

This article describes the contents of an approval

This article contains more information about how the approval process works.