Before revision:  We show that it achieves superior performance on datasets consisting of visually rich documents, at the same time outperforming the baseline RoBERTa on documents with flat layout (NDA F1\) } increase from 78.50 to 80.42).
After revision:  We show that it achieves superior performance on datasets consisting of visually rich documents, at the same time outperforming the baseline RoBERTa on documents with flat layout (NDA \(F_{1\) } increase from 78.50 to 80.42).