If the PDF files has no or very little graphics, you can open the file in Microsoft Word directly without losing formatting. You can try any paid software, you won’t get the result better than Microsoft Word.
And for very simple documents and presentations, Microsoft Office is perfect. After copying your document, you can use any software for editing Open the file with the PDF editor of your choice. You can open as many documents as you like in the PDF editor. Change styles (text color, font, font size) and add fonts.