Hi Marc de Cocq there is no PDF version of tracebility report.

In case you are preparing custom module, If you want to update your Tracebility report Print (PDF) you will have to update it from js,

odoo.define('Your_module name.update_pdf_report', function (require) {

"use strict";

var AbstractAction = require('web.AbstractAction');

var core = require('web.core');

var session = require('web.session');

var framework = require('web.framework');

var stock_report_generic = require('stock.stock_report_generic');

var QWeb = core.qweb;

var rpc = require('web.rpc')

var Dialog = require('web.Dialog');

var _t = core._t;

var deferred = $.Deferred();

stock_report_generic.include({

renderButtons: function() {

var self = this;

this.$buttons = $(QWeb.render("stockReports.buttons", {}));

// pdf output

this.$buttons.filter('.o_stock-widget-pdf').on('click', function(e) {

var $element = $(self.$el[0]).find('.o_stock_reports_table tbody tr')

}

}

})

});

Here in tr or whole table you have to update your custom css for PDF report ,

Like this

$(self.$el[0]).find('.o_stock_reports_table tbody tr').css('font-size':20px)

Thank You!

Regards,

Email:      odoo@aktivsoftware.com  

Skype: kalpeshmaheshwari