What To Do If the Text Layout Changes When Editing PDF?
If the text layout changes when you edit the PDF content, you can change to use Line Mode to edit the text. Please refer to the screenshot in the following link to know where to select the "Line Mode" to edit: "https://pdf.wondershare.com/guide/pdfelement-windows.html#edit_text"
When you use the Line Mode to edit, each line of the content will be individual part, you can edit it again, it should not affect the layout of other content.