You can create custom stamps and dynamic stamps.

You can choose from a list of predefined stamps, or create custom stamps before stamping a PDF. All the stamps that you import or create are listed in the drop-down menu of the Stamp command and Stamps Palette. To apply a stamp, please do the following:

When you select two or more measurement markups, you will find a toolbar floating around the markups. Click the corresponding buttons directly to center, align, or distribute the selected measurement markups. You can also find the Page Center/Alignment/Distribute buttons from the Format tab in the right panel or the context menu after you right-click them. For more information about the buttons, please refer to Arrange comments. 

Foxit PDF Editor provides multiple ways to change the appearance of measurement markups. When you select a measurement markup, a toolbar will float above the measurement markup for you to quickly change the line color. You can also go to the Format tab in the right panel and the Properties dialog box to specify more advanced settings. If you change the appearance through the Format tab, Foxit PDF Editor will save the properties and apply them to any new measurement markups as well.

The measurement markups can also be used as comments. You can set the status, open pop-up notes, delete them, reply to the markups, change the properties, and set the current properties as default.

Note: To show measurement markup and the measurement results, right-click on the object you draw, and choose Properties > Appearance > then check Show text in line.

After you complete the measurement, you are able to do further operations on it, such as move, resize, flip, and even work on it the way you work on comments.

1. Moving the measurement markup

   1) With the Hand command or the Select Annotation commandselected, click the measurement markup you want to move.

• Select Measure > Distance in the Comment tab to measure the distance between two points. While measuring the distance, you can specify whether to show the default leader on both side of the measurement points or not in Measuring Preferences. Click the first point, move the pointer to the second point, and click again.

The Measure Tools enable you to measure distances and areas of objects in PDF documents. The measure tools are especially useful when you need to know the distances or areas associated with objects in a form or computer-aided design (CAD) drawing or when you want to measure certain areas of a document before sending to a professional printer. The measure tools are available to users only if the PDF creator enables measuring functionality. 

Grouping drawing markups enables you to combine them so that you can work with them as though they were a single object. You can move or delete the group, set its status, change its appearance, etc.

Select the Hand command or the Select Annotation command, and do one of the following:

Use the Hand command, the Select Annotation command, or the corresponding Drawing Tool to select a drawing markup.