If you are looking to edit PDF files on Mac Monterey by working on multiple documents at the same time, I will recommend that you turn to PDF Toolkit+. You can use this tool to edit PDF documents freely, and can also insert additional texts, highlights, images, and more. It is also considered by many to be the best free alternative to Microsoft Office. It is an excellent free and open-source PDF editor for Mac.

So, if you want to do such things and also do not want to spend money, you can go for LibreOffice. The Preview app lets you to make a lot of changes to the PDF files, but it will not allow you to alter the text already present in them. After that, select the name to assign it and the folder in which you want to save it. You can also select the Export as PDF item from the File menu if you want to save a PDF as a new file without overwriting the original one. After making changes to the PDF files, they will be automatically saved to the original files. A toolbar will open containing all the tools to edit the document. If you want to edit a PDF file with the Preview app, all you need to do is open it and click on the Pen icon located at the top right. It is an app used to open PDF documents by default in the Apple operating system. It is already pre-installed in all versions of macOS. One of the best apps that allow you to change the content of PDF files for free is Preview App.

If you are looking to edit PDF files in Mac Monterey, know that you do not have to look further. Preview App: Built-in PDF files editor for Mac

Best pdf readers for mac os x