Why does the Eraser Button Fail to Erase the Text?
1. The "Eraser" button in the program of PDFelement can only erase the drawings drew by the "Pencil" button. 
2. If you want to delete text, please use the Edit feature, click the "Edit" button, then select the text and press Delete key to delete. For more details, you can refer to this article about how to delete text from PDF
