Input for the 1120S is done through 4 pages looking like and corresponding to the Form 1120s pages.
Also included is Form 4562 and user input for attaching schedules for several lines such as other income,
line 5 page 1. Schedule D (Form 1120S) is included in the full version as well as Schedule K-1 shareholder.
You can transfer amounts from the client writeup to the 1120S also. (Page 1 and Page 4 amounts).