Where can I see my pending tasks?

Pending tasks can be easily found on four levels:

Account level:

From the top right-hand side of your screen, you can see at the bottom of the opened window,  your pending and past due tasks.

Client level:

If you have an agency account, you'll be able to see a breakdown of the new and past due tasks in the top left drop down menu:

Module level:

In your Tasks tab, you can see the breakdown of new and past due tasks for each active module:

Task level:

From your Tasks tab, you can expand a module. Blue and red dots to the left of the individual tasks indicate new and past due.