If Paragon NTFS for Mac can't mount your NTFS drive on Mac, you should fully uninstall it and try a reliable NTFS for Mac tool like iBoysoft NTFS for Mac.
To fully uninstall it means to get rid of the app and all the files associated with it. To do this, open the Paragon NTFS for Mac app, click Paragon NTFS for Mac in the upper left menu bar and select Preferences. Then click the Uninstall button.
After that, you can get iBoysoft NTFS for Mac to mount your Seagate NTFS drive in read/write mode. It's compatible with macOS High Sierra and later, supporting Intel, T2, M1, M2, and M3 Macs. It also allows you to format drives to NTFS, repair, open, or unmount NTFS drives on Mac.