Problem with Saving PSD File using .NET Library: Output Not Matching Original

Issue with Saving PSD and PNG Files using .NET Library: Margins Appearing on Right and Bottom of Output. Here is the PSD file.
https://psd-service-storage-bucket.s3.us-east-1.amazonaws.com/testing-fixtures/noteb1.psd

@merise Could you please provide the source code you are using for the saving.