diff --git a/AxonIvyPortal/portal-selenium-test/src_test/com/axonivy/portal/selenium/page/component/DocumentTableComponentPage.java b/AxonIvyPortal/portal-selenium-test/src_test/com/axonivy/portal/selenium/page/component/DocumentTableComponentPage.java
index 62557408920..b277b919174 100644
--- a/AxonIvyPortal/portal-selenium-test/src_test/com/axonivy/portal/selenium/page/component/DocumentTableComponentPage.java
+++ b/AxonIvyPortal/portal-selenium-test/src_test/com/axonivy/portal/selenium/page/component/DocumentTableComponentPage.java
@@ -30,4 +30,20 @@ public void waitForDocumentTableComponentPageLoaded() {
   public int countDocuments() {
     return getDocuments().size();
   }
+
+  public void clickPreviewButton() {
+    $("[id$=':document-preview']").click();
+  }
+
+  public void waitForPreviewDialog() {
+    $("[id$=':preview-document-dialog']").shouldBe(Condition.appear, DEFAULT_TIMEOUT);
+  }
+
+  public boolean isPreviewContentDisplayed() {
+    return $("object[type='application/pdf']").shouldBe(Condition.appear, DEFAULT_TIMEOUT).isDisplayed();
+  }
+
+  public void closePreviewDialog() {
+    $("[id$=':preview-document-dialog'] .ui-dialog-titlebar-close").click();
+  }
 }
diff --git a/AxonIvyPortal/portal-selenium-test/src_test/com/axonivy/portal/selenium/test/DocumentTableComponentTest.java b/AxonIvyPortal/portal-selenium-test/src_test/com/axonivy/portal/selenium/test/DocumentTableComponentTest.java
index 02835279319..fb64c2de8ba 100644
--- a/AxonIvyPortal/portal-selenium-test/src_test/com/axonivy/portal/selenium/test/DocumentTableComponentTest.java
+++ b/AxonIvyPortal/portal-selenium-test/src_test/com/axonivy/portal/selenium/test/DocumentTableComponentTest.java
@@ -27,4 +27,16 @@ public void testUploadDocument() {
     assertEquals(1, documentTableComponentPage.countDocuments());
   }
 
+  @Test
+  public void testPreviewDocument() {
+    DocumentTableComponentPage documentTableComponentPage = new DocumentTableComponentPage();
+    documentTableComponentPage.uploadSampleDocument(FileHelper.getAbsolutePathToTestFile("sample-file.txt"));
+    refreshPage();
+    documentTableComponentPage.waitForDocumentTableComponentPageLoaded();
+    assertEquals(1, documentTableComponentPage.countDocuments());
+    documentTableComponentPage.clickPreviewButton();
+    documentTableComponentPage.waitForPreviewDialog();
+    assertTrue(documentTableComponentPage.isPreviewContentDisplayed());
+    documentTableComponentPage.closePreviewDialog();
+  }
 }