I have a point feature class that contains over 100 columns (variables) of data (ArcMap 10.8.1) . I would like to convert each column to a single band raster. The reason for doing this is to create a multiband raster that can be subject to Principal Components analysis in ArcGIS Pro (2.7).
You could run the desired Interpolation tool in batch.
e.g. Run Kriging as a batch tool.
Choose "Z value Field" as your batch parameter. You could save the batch tool as well.
After choosing the input point feature, you can select multiple fields from the drop-down of "Batch Z value fields".
You may note that the output comes with an inline variable substitution, "%Name%", which helps in creating multiple output raster files in a given workspace.