Bitmap2Material allows you to create "presets", which save the values of each of the tweaks, so that you can reuse them in another application.
You can use those presets in other compatible applications such as Autodesk 3ds Max, Maya, Substance Player, Substance Designer...
To add your own presets or modify those shipped with the Bitmap2Material filter, open the file using the Load File button. It will display a list of all the available presets.
Click on "Add Preset to File …" to open the presets dialog. Here you can save new preset, delete or overwrite existing ones. Just click on an item, write its name and description (if needed) and click Save.