Yes. While estimate and invoice PDFs in FieldPulse are not fully customizeable, you can choose to display different objects on your PDF based on settings. You can set default settings and then change them on a per invoice basis if necessary.
The following objects can be displayed or hidden on the invoice or estimate PDF.
Line Item Descriptions
Line item Tax
Line Item Quantity
Line Item Unit Price
Line Item Total Price
Related Job Title
Related Job Assigned Team Members